chromium/third_party/blink/web_tests/external/wpt/css/css-masking/animations/mask-border-slice-interpolation-expected.txt

This is a testharness.js-based test.
Found 434 FAIL, 0 TIMEOUT, 0 NOTRUN.
[FAIL] CSS Transitions: property <mask-border-slice> from neutral to [10%] at (-0.3) should be [23%]
  assert_true: 'to' value should be supported expected true got false
[FAIL] CSS Transitions: property <mask-border-slice> from neutral to [10%] at (0) should be [20%]
  assert_true: 'to' value should be supported expected true got false
[FAIL] CSS Transitions: property <mask-border-slice> from neutral to [10%] at (0.3) should be [17%]
  assert_true: 'to' value should be supported expected true got false
[FAIL] CSS Transitions: property <mask-border-slice> from neutral to [10%] at (0.5) should be [15%]
  assert_true: 'to' value should be supported expected true got false
[FAIL] CSS Transitions: property <mask-border-slice> from neutral to [10%] at (0.6) should be [14%]
  assert_true: 'to' value should be supported expected true got false
[FAIL] CSS Transitions: property <mask-border-slice> from neutral to [10%] at (1) should be [10%]
  assert_true: 'to' value should be supported expected true got false
[FAIL] CSS Transitions: property <mask-border-slice> from neutral to [10%] at (1.5) should be [5%]
  assert_true: 'to' value should be supported expected true got false
[FAIL] CSS Transitions with transition: all: property <mask-border-slice> from neutral to [10%] at (-0.3) should be [23%]
  assert_true: 'to' value should be supported expected true got false
[FAIL] CSS Transitions with transition: all: property <mask-border-slice> from neutral to [10%] at (0) should be [20%]
  assert_true: 'to' value should be supported expected true got false
[FAIL] CSS Transitions with transition: all: property <mask-border-slice> from neutral to [10%] at (0.3) should be [17%]
  assert_true: 'to' value should be supported expected true got false
[FAIL] CSS Transitions with transition: all: property <mask-border-slice> from neutral to [10%] at (0.5) should be [15%]
  assert_true: 'to' value should be supported expected true got false
[FAIL] CSS Transitions with transition: all: property <mask-border-slice> from neutral to [10%] at (0.6) should be [14%]
  assert_true: 'to' value should be supported expected true got false
[FAIL] CSS Transitions with transition: all: property <mask-border-slice> from neutral to [10%] at (1) should be [10%]
  assert_true: 'to' value should be supported expected true got false
[FAIL] CSS Transitions with transition: all: property <mask-border-slice> from neutral to [10%] at (1.5) should be [5%]
  assert_true: 'to' value should be supported expected true got false
[FAIL] CSS Animations: property <mask-border-slice> from neutral to [10%] at (-0.3) should be [23%]
  assert_true: 'to' value should be supported expected true got false
[FAIL] CSS Animations: property <mask-border-slice> from neutral to [10%] at (0) should be [20%]
  assert_true: 'to' value should be supported expected true got false
[FAIL] CSS Animations: property <mask-border-slice> from neutral to [10%] at (0.3) should be [17%]
  assert_true: 'to' value should be supported expected true got false
[FAIL] CSS Animations: property <mask-border-slice> from neutral to [10%] at (0.5) should be [15%]
  assert_true: 'to' value should be supported expected true got false
[FAIL] CSS Animations: property <mask-border-slice> from neutral to [10%] at (0.6) should be [14%]
  assert_true: 'to' value should be supported expected true got false
[FAIL] CSS Animations: property <mask-border-slice> from neutral to [10%] at (1) should be [10%]
  assert_true: 'to' value should be supported expected true got false
[FAIL] CSS Animations: property <mask-border-slice> from neutral to [10%] at (1.5) should be [5%]
  assert_true: 'to' value should be supported expected true got false
[FAIL] Web Animations: property <mask-border-slice> from neutral to [10%] at (-0.3) should be [23%]
  assert_true: 'to' value should be supported expected true got false
[FAIL] Web Animations: property <mask-border-slice> from neutral to [10%] at (0) should be [20%]
  assert_true: 'to' value should be supported expected true got false
[FAIL] Web Animations: property <mask-border-slice> from neutral to [10%] at (0.3) should be [17%]
  assert_true: 'to' value should be supported expected true got false
[FAIL] Web Animations: property <mask-border-slice> from neutral to [10%] at (0.5) should be [15%]
  assert_true: 'to' value should be supported expected true got false
[FAIL] Web Animations: property <mask-border-slice> from neutral to [10%] at (0.6) should be [14%]
  assert_true: 'to' value should be supported expected true got false
[FAIL] Web Animations: property <mask-border-slice> from neutral to [10%] at (1) should be [10%]
  assert_true: 'to' value should be supported expected true got false
[FAIL] Web Animations: property <mask-border-slice> from neutral to [10%] at (1.5) should be [5%]
  assert_true: 'to' value should be supported expected true got false
[FAIL] CSS Transitions: property <mask-border-slice> from [initial] to [10] at (-0.3) should be [0]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Transitions: property <mask-border-slice> from [initial] to [10] at (0) should be [0]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Transitions: property <mask-border-slice> from [initial] to [10] at (0.3) should be [3]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Transitions: property <mask-border-slice> from [initial] to [10] at (0.5) should be [5]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Transitions: property <mask-border-slice> from [initial] to [10] at (0.6) should be [6]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Transitions: property <mask-border-slice> from [initial] to [10] at (1) should be [10]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Transitions: property <mask-border-slice> from [initial] to [10] at (1.5) should be [15]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Transitions with transition: all: property <mask-border-slice> from [initial] to [10] at (-0.3) should be [0]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Transitions with transition: all: property <mask-border-slice> from [initial] to [10] at (0) should be [0]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Transitions with transition: all: property <mask-border-slice> from [initial] to [10] at (0.3) should be [3]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Transitions with transition: all: property <mask-border-slice> from [initial] to [10] at (0.5) should be [5]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Transitions with transition: all: property <mask-border-slice> from [initial] to [10] at (0.6) should be [6]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Transitions with transition: all: property <mask-border-slice> from [initial] to [10] at (1) should be [10]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Transitions with transition: all: property <mask-border-slice> from [initial] to [10] at (1.5) should be [15]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Animations: property <mask-border-slice> from [initial] to [10] at (-0.3) should be [0]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Animations: property <mask-border-slice> from [initial] to [10] at (0) should be [0]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Animations: property <mask-border-slice> from [initial] to [10] at (0.3) should be [3]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Animations: property <mask-border-slice> from [initial] to [10] at (0.5) should be [5]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Animations: property <mask-border-slice> from [initial] to [10] at (0.6) should be [6]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Animations: property <mask-border-slice> from [initial] to [10] at (1) should be [10]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Animations: property <mask-border-slice> from [initial] to [10] at (1.5) should be [15]
  assert_true: 'from' value should be supported expected true got false
[FAIL] Web Animations: property <mask-border-slice> from [initial] to [10] at (-0.3) should be [0]
  assert_true: 'from' value should be supported expected true got false
[FAIL] Web Animations: property <mask-border-slice> from [initial] to [10] at (0) should be [0]
  assert_true: 'from' value should be supported expected true got false
[FAIL] Web Animations: property <mask-border-slice> from [initial] to [10] at (0.3) should be [3]
  assert_true: 'from' value should be supported expected true got false
[FAIL] Web Animations: property <mask-border-slice> from [initial] to [10] at (0.5) should be [5]
  assert_true: 'from' value should be supported expected true got false
[FAIL] Web Animations: property <mask-border-slice> from [initial] to [10] at (0.6) should be [6]
  assert_true: 'from' value should be supported expected true got false
[FAIL] Web Animations: property <mask-border-slice> from [initial] to [10] at (1) should be [10]
  assert_true: 'from' value should be supported expected true got false
[FAIL] Web Animations: property <mask-border-slice> from [initial] to [10] at (1.5) should be [15]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Transitions: property <mask-border-slice> from [inherit] to [10%] at (-0.3) should be [62%]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Transitions: property <mask-border-slice> from [inherit] to [10%] at (0) should be [50%]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Transitions: property <mask-border-slice> from [inherit] to [10%] at (0.3) should be [38%]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Transitions: property <mask-border-slice> from [inherit] to [10%] at (0.5) should be [30%]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Transitions: property <mask-border-slice> from [inherit] to [10%] at (0.6) should be [26%]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Transitions: property <mask-border-slice> from [inherit] to [10%] at (1) should be [10%]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Transitions: property <mask-border-slice> from [inherit] to [10%] at (1.5) should be [0%]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Transitions with transition: all: property <mask-border-slice> from [inherit] to [10%] at (-0.3) should be [62%]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Transitions with transition: all: property <mask-border-slice> from [inherit] to [10%] at (0) should be [50%]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Transitions with transition: all: property <mask-border-slice> from [inherit] to [10%] at (0.3) should be [38%]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Transitions with transition: all: property <mask-border-slice> from [inherit] to [10%] at (0.5) should be [30%]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Transitions with transition: all: property <mask-border-slice> from [inherit] to [10%] at (0.6) should be [26%]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Transitions with transition: all: property <mask-border-slice> from [inherit] to [10%] at (1) should be [10%]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Transitions with transition: all: property <mask-border-slice> from [inherit] to [10%] at (1.5) should be [0%]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Animations: property <mask-border-slice> from [inherit] to [10%] at (-0.3) should be [62%]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Animations: property <mask-border-slice> from [inherit] to [10%] at (0) should be [50%]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Animations: property <mask-border-slice> from [inherit] to [10%] at (0.3) should be [38%]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Animations: property <mask-border-slice> from [inherit] to [10%] at (0.5) should be [30%]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Animations: property <mask-border-slice> from [inherit] to [10%] at (0.6) should be [26%]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Animations: property <mask-border-slice> from [inherit] to [10%] at (1) should be [10%]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Animations: property <mask-border-slice> from [inherit] to [10%] at (1.5) should be [0%]
  assert_true: 'from' value should be supported expected true got false
[FAIL] Web Animations: property <mask-border-slice> from [inherit] to [10%] at (-0.3) should be [62%]
  assert_true: 'from' value should be supported expected true got false
[FAIL] Web Animations: property <mask-border-slice> from [inherit] to [10%] at (0) should be [50%]
  assert_true: 'from' value should be supported expected true got false
[FAIL] Web Animations: property <mask-border-slice> from [inherit] to [10%] at (0.3) should be [38%]
  assert_true: 'from' value should be supported expected true got false
[FAIL] Web Animations: property <mask-border-slice> from [inherit] to [10%] at (0.5) should be [30%]
  assert_true: 'from' value should be supported expected true got false
[FAIL] Web Animations: property <mask-border-slice> from [inherit] to [10%] at (0.6) should be [26%]
  assert_true: 'from' value should be supported expected true got false
[FAIL] Web Animations: property <mask-border-slice> from [inherit] to [10%] at (1) should be [10%]
  assert_true: 'from' value should be supported expected true got false
[FAIL] Web Animations: property <mask-border-slice> from [inherit] to [10%] at (1.5) should be [0%]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Transitions: property <mask-border-slice> from [unset] to [10] at (-0.3) should be [0]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Transitions: property <mask-border-slice> from [unset] to [10] at (0) should be [0]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Transitions: property <mask-border-slice> from [unset] to [10] at (0.3) should be [3]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Transitions: property <mask-border-slice> from [unset] to [10] at (0.5) should be [5]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Transitions: property <mask-border-slice> from [unset] to [10] at (0.6) should be [6]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Transitions: property <mask-border-slice> from [unset] to [10] at (1) should be [10]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Transitions: property <mask-border-slice> from [unset] to [10] at (1.5) should be [15]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Transitions with transition: all: property <mask-border-slice> from [unset] to [10] at (-0.3) should be [0]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Transitions with transition: all: property <mask-border-slice> from [unset] to [10] at (0) should be [0]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Transitions with transition: all: property <mask-border-slice> from [unset] to [10] at (0.3) should be [3]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Transitions with transition: all: property <mask-border-slice> from [unset] to [10] at (0.5) should be [5]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Transitions with transition: all: property <mask-border-slice> from [unset] to [10] at (0.6) should be [6]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Transitions with transition: all: property <mask-border-slice> from [unset] to [10] at (1) should be [10]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Transitions with transition: all: property <mask-border-slice> from [unset] to [10] at (1.5) should be [15]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Animations: property <mask-border-slice> from [unset] to [10] at (-0.3) should be [0]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Animations: property <mask-border-slice> from [unset] to [10] at (0) should be [0]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Animations: property <mask-border-slice> from [unset] to [10] at (0.3) should be [3]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Animations: property <mask-border-slice> from [unset] to [10] at (0.5) should be [5]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Animations: property <mask-border-slice> from [unset] to [10] at (0.6) should be [6]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Animations: property <mask-border-slice> from [unset] to [10] at (1) should be [10]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Animations: property <mask-border-slice> from [unset] to [10] at (1.5) should be [15]
  assert_true: 'from' value should be supported expected true got false
[FAIL] Web Animations: property <mask-border-slice> from [unset] to [10] at (-0.3) should be [0]
  assert_true: 'from' value should be supported expected true got false
[FAIL] Web Animations: property <mask-border-slice> from [unset] to [10] at (0) should be [0]
  assert_true: 'from' value should be supported expected true got false
[FAIL] Web Animations: property <mask-border-slice> from [unset] to [10] at (0.3) should be [3]
  assert_true: 'from' value should be supported expected true got false
[FAIL] Web Animations: property <mask-border-slice> from [unset] to [10] at (0.5) should be [5]
  assert_true: 'from' value should be supported expected true got false
[FAIL] Web Animations: property <mask-border-slice> from [unset] to [10] at (0.6) should be [6]
  assert_true: 'from' value should be supported expected true got false
[FAIL] Web Animations: property <mask-border-slice> from [unset] to [10] at (1) should be [10]
  assert_true: 'from' value should be supported expected true got false
[FAIL] Web Animations: property <mask-border-slice> from [unset] to [10] at (1.5) should be [15]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Transitions: property <mask-border-slice> from [0%] to [50%] at (-0.3) should be [0%]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Transitions: property <mask-border-slice> from [0%] to [50%] at (0) should be [0%]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Transitions: property <mask-border-slice> from [0%] to [50%] at (0.3) should be [15%]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Transitions: property <mask-border-slice> from [0%] to [50%] at (0.5) should be [25%]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Transitions: property <mask-border-slice> from [0%] to [50%] at (0.6) should be [30%]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Transitions: property <mask-border-slice> from [0%] to [50%] at (1) should be [50%]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Transitions: property <mask-border-slice> from [0%] to [50%] at (1.5) should be [75%]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Transitions with transition: all: property <mask-border-slice> from [0%] to [50%] at (-0.3) should be [0%]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Transitions with transition: all: property <mask-border-slice> from [0%] to [50%] at (0) should be [0%]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Transitions with transition: all: property <mask-border-slice> from [0%] to [50%] at (0.3) should be [15%]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Transitions with transition: all: property <mask-border-slice> from [0%] to [50%] at (0.5) should be [25%]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Transitions with transition: all: property <mask-border-slice> from [0%] to [50%] at (0.6) should be [30%]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Transitions with transition: all: property <mask-border-slice> from [0%] to [50%] at (1) should be [50%]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Transitions with transition: all: property <mask-border-slice> from [0%] to [50%] at (1.5) should be [75%]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Animations: property <mask-border-slice> from [0%] to [50%] at (-0.3) should be [0%]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Animations: property <mask-border-slice> from [0%] to [50%] at (0) should be [0%]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Animations: property <mask-border-slice> from [0%] to [50%] at (0.3) should be [15%]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Animations: property <mask-border-slice> from [0%] to [50%] at (0.5) should be [25%]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Animations: property <mask-border-slice> from [0%] to [50%] at (0.6) should be [30%]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Animations: property <mask-border-slice> from [0%] to [50%] at (1) should be [50%]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Animations: property <mask-border-slice> from [0%] to [50%] at (1.5) should be [75%]
  assert_true: 'from' value should be supported expected true got false
[FAIL] Web Animations: property <mask-border-slice> from [0%] to [50%] at (-0.3) should be [0%]
  assert_true: 'from' value should be supported expected true got false
[FAIL] Web Animations: property <mask-border-slice> from [0%] to [50%] at (0) should be [0%]
  assert_true: 'from' value should be supported expected true got false
[FAIL] Web Animations: property <mask-border-slice> from [0%] to [50%] at (0.3) should be [15%]
  assert_true: 'from' value should be supported expected true got false
[FAIL] Web Animations: property <mask-border-slice> from [0%] to [50%] at (0.5) should be [25%]
  assert_true: 'from' value should be supported expected true got false
[FAIL] Web Animations: property <mask-border-slice> from [0%] to [50%] at (0.6) should be [30%]
  assert_true: 'from' value should be supported expected true got false
[FAIL] Web Animations: property <mask-border-slice> from [0%] to [50%] at (1) should be [50%]
  assert_true: 'from' value should be supported expected true got false
[FAIL] Web Animations: property <mask-border-slice> from [0%] to [50%] at (1.5) should be [75%]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Transitions: property <mask-border-slice> from [0% 10% 20% 30%] to [40% 50% 60% 70%] at (-0.5) should be [0% 0% 0% 10%]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Transitions: property <mask-border-slice> from [0% 10% 20% 30%] to [40% 50% 60% 70%] at (0) should be [0% 10% 20% 30%]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Transitions: property <mask-border-slice> from [0% 10% 20% 30%] to [40% 50% 60% 70%] at (0.3) should be [12% 22% 32% 42%]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Transitions: property <mask-border-slice> from [0% 10% 20% 30%] to [40% 50% 60% 70%] at (0.5) should be [20% 30% 40% 50%]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Transitions: property <mask-border-slice> from [0% 10% 20% 30%] to [40% 50% 60% 70%] at (0.6) should be [24% 34% 44% 54%]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Transitions: property <mask-border-slice> from [0% 10% 20% 30%] to [40% 50% 60% 70%] at (1) should be [40% 50% 60% 70%]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Transitions: property <mask-border-slice> from [0% 10% 20% 30%] to [40% 50% 60% 70%] at (1.5) should be [60% 70% 80% 90%]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Transitions with transition: all: property <mask-border-slice> from [0% 10% 20% 30%] to [40% 50% 60% 70%] at (-0.5) should be [0% 0% 0% 10%]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Transitions with transition: all: property <mask-border-slice> from [0% 10% 20% 30%] to [40% 50% 60% 70%] at (0) should be [0% 10% 20% 30%]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Transitions with transition: all: property <mask-border-slice> from [0% 10% 20% 30%] to [40% 50% 60% 70%] at (0.3) should be [12% 22% 32% 42%]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Transitions with transition: all: property <mask-border-slice> from [0% 10% 20% 30%] to [40% 50% 60% 70%] at (0.5) should be [20% 30% 40% 50%]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Transitions with transition: all: property <mask-border-slice> from [0% 10% 20% 30%] to [40% 50% 60% 70%] at (0.6) should be [24% 34% 44% 54%]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Transitions with transition: all: property <mask-border-slice> from [0% 10% 20% 30%] to [40% 50% 60% 70%] at (1) should be [40% 50% 60% 70%]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Transitions with transition: all: property <mask-border-slice> from [0% 10% 20% 30%] to [40% 50% 60% 70%] at (1.5) should be [60% 70% 80% 90%]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Animations: property <mask-border-slice> from [0% 10% 20% 30%] to [40% 50% 60% 70%] at (-0.5) should be [0% 0% 0% 10%]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Animations: property <mask-border-slice> from [0% 10% 20% 30%] to [40% 50% 60% 70%] at (0) should be [0% 10% 20% 30%]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Animations: property <mask-border-slice> from [0% 10% 20% 30%] to [40% 50% 60% 70%] at (0.3) should be [12% 22% 32% 42%]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Animations: property <mask-border-slice> from [0% 10% 20% 30%] to [40% 50% 60% 70%] at (0.5) should be [20% 30% 40% 50%]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Animations: property <mask-border-slice> from [0% 10% 20% 30%] to [40% 50% 60% 70%] at (0.6) should be [24% 34% 44% 54%]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Animations: property <mask-border-slice> from [0% 10% 20% 30%] to [40% 50% 60% 70%] at (1) should be [40% 50% 60% 70%]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Animations: property <mask-border-slice> from [0% 10% 20% 30%] to [40% 50% 60% 70%] at (1.5) should be [60% 70% 80% 90%]
  assert_true: 'from' value should be supported expected true got false
[FAIL] Web Animations: property <mask-border-slice> from [0% 10% 20% 30%] to [40% 50% 60% 70%] at (-0.5) should be [0% 0% 0% 10%]
  assert_true: 'from' value should be supported expected true got false
[FAIL] Web Animations: property <mask-border-slice> from [0% 10% 20% 30%] to [40% 50% 60% 70%] at (0) should be [0% 10% 20% 30%]
  assert_true: 'from' value should be supported expected true got false
[FAIL] Web Animations: property <mask-border-slice> from [0% 10% 20% 30%] to [40% 50% 60% 70%] at (0.3) should be [12% 22% 32% 42%]
  assert_true: 'from' value should be supported expected true got false
[FAIL] Web Animations: property <mask-border-slice> from [0% 10% 20% 30%] to [40% 50% 60% 70%] at (0.5) should be [20% 30% 40% 50%]
  assert_true: 'from' value should be supported expected true got false
[FAIL] Web Animations: property <mask-border-slice> from [0% 10% 20% 30%] to [40% 50% 60% 70%] at (0.6) should be [24% 34% 44% 54%]
  assert_true: 'from' value should be supported expected true got false
[FAIL] Web Animations: property <mask-border-slice> from [0% 10% 20% 30%] to [40% 50% 60% 70%] at (1) should be [40% 50% 60% 70%]
  assert_true: 'from' value should be supported expected true got false
[FAIL] Web Animations: property <mask-border-slice> from [0% 10% 20% 30%] to [40% 50% 60% 70%] at (1.5) should be [60% 70% 80% 90%]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Transitions: property <mask-border-slice> from [0 10 20 30 fill] to [40 50 60 70 fill] at (-0.5) should be [0 0 0 10 fill]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Transitions: property <mask-border-slice> from [0 10 20 30 fill] to [40 50 60 70 fill] at (0) should be [0 10 20 30 fill]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Transitions: property <mask-border-slice> from [0 10 20 30 fill] to [40 50 60 70 fill] at (0.3) should be [12 22 32 42 fill]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Transitions: property <mask-border-slice> from [0 10 20 30 fill] to [40 50 60 70 fill] at (0.5) should be [20 30 40 50 fill]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Transitions: property <mask-border-slice> from [0 10 20 30 fill] to [40 50 60 70 fill] at (0.6) should be [24 34 44 54 fill]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Transitions: property <mask-border-slice> from [0 10 20 30 fill] to [40 50 60 70 fill] at (1) should be [40 50 60 70 fill]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Transitions: property <mask-border-slice> from [0 10 20 30 fill] to [40 50 60 70 fill] at (1.5) should be [60 70 80 90 fill]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Transitions with transition: all: property <mask-border-slice> from [0 10 20 30 fill] to [40 50 60 70 fill] at (-0.5) should be [0 0 0 10 fill]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Transitions with transition: all: property <mask-border-slice> from [0 10 20 30 fill] to [40 50 60 70 fill] at (0) should be [0 10 20 30 fill]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Transitions with transition: all: property <mask-border-slice> from [0 10 20 30 fill] to [40 50 60 70 fill] at (0.3) should be [12 22 32 42 fill]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Transitions with transition: all: property <mask-border-slice> from [0 10 20 30 fill] to [40 50 60 70 fill] at (0.5) should be [20 30 40 50 fill]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Transitions with transition: all: property <mask-border-slice> from [0 10 20 30 fill] to [40 50 60 70 fill] at (0.6) should be [24 34 44 54 fill]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Transitions with transition: all: property <mask-border-slice> from [0 10 20 30 fill] to [40 50 60 70 fill] at (1) should be [40 50 60 70 fill]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Transitions with transition: all: property <mask-border-slice> from [0 10 20 30 fill] to [40 50 60 70 fill] at (1.5) should be [60 70 80 90 fill]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Animations: property <mask-border-slice> from [0 10 20 30 fill] to [40 50 60 70 fill] at (-0.5) should be [0 0 0 10 fill]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Animations: property <mask-border-slice> from [0 10 20 30 fill] to [40 50 60 70 fill] at (0) should be [0 10 20 30 fill]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Animations: property <mask-border-slice> from [0 10 20 30 fill] to [40 50 60 70 fill] at (0.3) should be [12 22 32 42 fill]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Animations: property <mask-border-slice> from [0 10 20 30 fill] to [40 50 60 70 fill] at (0.5) should be [20 30 40 50 fill]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Animations: property <mask-border-slice> from [0 10 20 30 fill] to [40 50 60 70 fill] at (0.6) should be [24 34 44 54 fill]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Animations: property <mask-border-slice> from [0 10 20 30 fill] to [40 50 60 70 fill] at (1) should be [40 50 60 70 fill]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Animations: property <mask-border-slice> from [0 10 20 30 fill] to [40 50 60 70 fill] at (1.5) should be [60 70 80 90 fill]
  assert_true: 'from' value should be supported expected true got false
[FAIL] Web Animations: property <mask-border-slice> from [0 10 20 30 fill] to [40 50 60 70 fill] at (-0.5) should be [0 0 0 10 fill]
  assert_true: 'from' value should be supported expected true got false
[FAIL] Web Animations: property <mask-border-slice> from [0 10 20 30 fill] to [40 50 60 70 fill] at (0) should be [0 10 20 30 fill]
  assert_true: 'from' value should be supported expected true got false
[FAIL] Web Animations: property <mask-border-slice> from [0 10 20 30 fill] to [40 50 60 70 fill] at (0.3) should be [12 22 32 42 fill]
  assert_true: 'from' value should be supported expected true got false
[FAIL] Web Animations: property <mask-border-slice> from [0 10 20 30 fill] to [40 50 60 70 fill] at (0.5) should be [20 30 40 50 fill]
  assert_true: 'from' value should be supported expected true got false
[FAIL] Web Animations: property <mask-border-slice> from [0 10 20 30 fill] to [40 50 60 70 fill] at (0.6) should be [24 34 44 54 fill]
  assert_true: 'from' value should be supported expected true got false
[FAIL] Web Animations: property <mask-border-slice> from [0 10 20 30 fill] to [40 50 60 70 fill] at (1) should be [40 50 60 70 fill]
  assert_true: 'from' value should be supported expected true got false
[FAIL] Web Animations: property <mask-border-slice> from [0 10 20 30 fill] to [40 50 60 70 fill] at (1.5) should be [60 70 80 90 fill]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Transitions: property <mask-border-slice> from [0% 10 20% 30 fill] to [40% 50 60% 70 fill] at (-0.5) should be [0% 0 0% 10 fill]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Transitions: property <mask-border-slice> from [0% 10 20% 30 fill] to [40% 50 60% 70 fill] at (0) should be [0% 10 20% 30 fill]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Transitions: property <mask-border-slice> from [0% 10 20% 30 fill] to [40% 50 60% 70 fill] at (0.3) should be [12% 22 32% 42 fill]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Transitions: property <mask-border-slice> from [0% 10 20% 30 fill] to [40% 50 60% 70 fill] at (0.5) should be [20% 30 40% 50 fill]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Transitions: property <mask-border-slice> from [0% 10 20% 30 fill] to [40% 50 60% 70 fill] at (0.6) should be [24% 34 44% 54 fill]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Transitions: property <mask-border-slice> from [0% 10 20% 30 fill] to [40% 50 60% 70 fill] at (1) should be [40% 50 60% 70 fill]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Transitions: property <mask-border-slice> from [0% 10 20% 30 fill] to [40% 50 60% 70 fill] at (1.5) should be [60% 70 80% 90 fill]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Transitions with transition: all: property <mask-border-slice> from [0% 10 20% 30 fill] to [40% 50 60% 70 fill] at (-0.5) should be [0% 0 0% 10 fill]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Transitions with transition: all: property <mask-border-slice> from [0% 10 20% 30 fill] to [40% 50 60% 70 fill] at (0) should be [0% 10 20% 30 fill]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Transitions with transition: all: property <mask-border-slice> from [0% 10 20% 30 fill] to [40% 50 60% 70 fill] at (0.3) should be [12% 22 32% 42 fill]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Transitions with transition: all: property <mask-border-slice> from [0% 10 20% 30 fill] to [40% 50 60% 70 fill] at (0.5) should be [20% 30 40% 50 fill]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Transitions with transition: all: property <mask-border-slice> from [0% 10 20% 30 fill] to [40% 50 60% 70 fill] at (0.6) should be [24% 34 44% 54 fill]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Transitions with transition: all: property <mask-border-slice> from [0% 10 20% 30 fill] to [40% 50 60% 70 fill] at (1) should be [40% 50 60% 70 fill]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Transitions with transition: all: property <mask-border-slice> from [0% 10 20% 30 fill] to [40% 50 60% 70 fill] at (1.5) should be [60% 70 80% 90 fill]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Animations: property <mask-border-slice> from [0% 10 20% 30 fill] to [40% 50 60% 70 fill] at (-0.5) should be [0% 0 0% 10 fill]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Animations: property <mask-border-slice> from [0% 10 20% 30 fill] to [40% 50 60% 70 fill] at (0) should be [0% 10 20% 30 fill]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Animations: property <mask-border-slice> from [0% 10 20% 30 fill] to [40% 50 60% 70 fill] at (0.3) should be [12% 22 32% 42 fill]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Animations: property <mask-border-slice> from [0% 10 20% 30 fill] to [40% 50 60% 70 fill] at (0.5) should be [20% 30 40% 50 fill]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Animations: property <mask-border-slice> from [0% 10 20% 30 fill] to [40% 50 60% 70 fill] at (0.6) should be [24% 34 44% 54 fill]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Animations: property <mask-border-slice> from [0% 10 20% 30 fill] to [40% 50 60% 70 fill] at (1) should be [40% 50 60% 70 fill]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Animations: property <mask-border-slice> from [0% 10 20% 30 fill] to [40% 50 60% 70 fill] at (1.5) should be [60% 70 80% 90 fill]
  assert_true: 'from' value should be supported expected true got false
[FAIL] Web Animations: property <mask-border-slice> from [0% 10 20% 30 fill] to [40% 50 60% 70 fill] at (-0.5) should be [0% 0 0% 10 fill]
  assert_true: 'from' value should be supported expected true got false
[FAIL] Web Animations: property <mask-border-slice> from [0% 10 20% 30 fill] to [40% 50 60% 70 fill] at (0) should be [0% 10 20% 30 fill]
  assert_true: 'from' value should be supported expected true got false
[FAIL] Web Animations: property <mask-border-slice> from [0% 10 20% 30 fill] to [40% 50 60% 70 fill] at (0.3) should be [12% 22 32% 42 fill]
  assert_true: 'from' value should be supported expected true got false
[FAIL] Web Animations: property <mask-border-slice> from [0% 10 20% 30 fill] to [40% 50 60% 70 fill] at (0.5) should be [20% 30 40% 50 fill]
  assert_true: 'from' value should be supported expected true got false
[FAIL] Web Animations: property <mask-border-slice> from [0% 10 20% 30 fill] to [40% 50 60% 70 fill] at (0.6) should be [24% 34 44% 54 fill]
  assert_true: 'from' value should be supported expected true got false
[FAIL] Web Animations: property <mask-border-slice> from [0% 10 20% 30 fill] to [40% 50 60% 70 fill] at (1) should be [40% 50 60% 70 fill]
  assert_true: 'from' value should be supported expected true got false
[FAIL] Web Animations: property <mask-border-slice> from [0% 10 20% 30 fill] to [40% 50 60% 70 fill] at (1.5) should be [60% 70 80% 90 fill]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Transitions with transition-behavior:allow-discrete: property <mask-border-slice> from [0% fill] to [50%] at (-0.3) should be [0% fill]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Transitions with transition-behavior:allow-discrete: property <mask-border-slice> from [0% fill] to [50%] at (0) should be [0% fill]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Transitions with transition-behavior:allow-discrete: property <mask-border-slice> from [0% fill] to [50%] at (0.3) should be [0% fill]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Transitions with transition-behavior:allow-discrete: property <mask-border-slice> from [0% fill] to [50%] at (0.5) should be [50%]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Transitions with transition-behavior:allow-discrete: property <mask-border-slice> from [0% fill] to [50%] at (0.6) should be [50%]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Transitions with transition-behavior:allow-discrete: property <mask-border-slice> from [0% fill] to [50%] at (1) should be [50%]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Transitions with transition-behavior:allow-discrete: property <mask-border-slice> from [0% fill] to [50%] at (1.5) should be [50%]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Transitions with transition-property:all and transition-behavor:allow-discrete: property <mask-border-slice> from [0% fill] to [50%] at (-0.3) should be [0% fill]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Transitions with transition-property:all and transition-behavor:allow-discrete: property <mask-border-slice> from [0% fill] to [50%] at (0) should be [0% fill]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Transitions with transition-property:all and transition-behavor:allow-discrete: property <mask-border-slice> from [0% fill] to [50%] at (0.3) should be [0% fill]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Transitions with transition-property:all and transition-behavor:allow-discrete: property <mask-border-slice> from [0% fill] to [50%] at (0.5) should be [50%]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Transitions with transition-property:all and transition-behavor:allow-discrete: property <mask-border-slice> from [0% fill] to [50%] at (0.6) should be [50%]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Transitions with transition-property:all and transition-behavor:allow-discrete: property <mask-border-slice> from [0% fill] to [50%] at (1) should be [50%]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Transitions with transition-property:all and transition-behavor:allow-discrete: property <mask-border-slice> from [0% fill] to [50%] at (1.5) should be [50%]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Transitions: property <mask-border-slice> from [0% fill] to [50%] at (-0.3) should be [50%]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Transitions: property <mask-border-slice> from [0% fill] to [50%] at (0) should be [50%]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Transitions: property <mask-border-slice> from [0% fill] to [50%] at (0.3) should be [50%]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Transitions: property <mask-border-slice> from [0% fill] to [50%] at (0.5) should be [50%]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Transitions: property <mask-border-slice> from [0% fill] to [50%] at (0.6) should be [50%]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Transitions: property <mask-border-slice> from [0% fill] to [50%] at (1) should be [50%]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Transitions: property <mask-border-slice> from [0% fill] to [50%] at (1.5) should be [50%]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Transitions with transition: all: property <mask-border-slice> from [0% fill] to [50%] at (-0.3) should be [50%]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Transitions with transition: all: property <mask-border-slice> from [0% fill] to [50%] at (0) should be [50%]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Transitions with transition: all: property <mask-border-slice> from [0% fill] to [50%] at (0.3) should be [50%]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Transitions with transition: all: property <mask-border-slice> from [0% fill] to [50%] at (0.5) should be [50%]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Transitions with transition: all: property <mask-border-slice> from [0% fill] to [50%] at (0.6) should be [50%]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Transitions with transition: all: property <mask-border-slice> from [0% fill] to [50%] at (1) should be [50%]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Transitions with transition: all: property <mask-border-slice> from [0% fill] to [50%] at (1.5) should be [50%]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Animations: property <mask-border-slice> from [0% fill] to [50%] at (-0.3) should be [0% fill]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Animations: property <mask-border-slice> from [0% fill] to [50%] at (0) should be [0% fill]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Animations: property <mask-border-slice> from [0% fill] to [50%] at (0.3) should be [0% fill]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Animations: property <mask-border-slice> from [0% fill] to [50%] at (0.5) should be [50%]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Animations: property <mask-border-slice> from [0% fill] to [50%] at (0.6) should be [50%]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Animations: property <mask-border-slice> from [0% fill] to [50%] at (1) should be [50%]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Animations: property <mask-border-slice> from [0% fill] to [50%] at (1.5) should be [50%]
  assert_true: 'from' value should be supported expected true got false
[FAIL] Web Animations: property <mask-border-slice> from [0% fill] to [50%] at (-0.3) should be [0% fill]
  assert_true: 'from' value should be supported expected true got false
[FAIL] Web Animations: property <mask-border-slice> from [0% fill] to [50%] at (0) should be [0% fill]
  assert_true: 'from' value should be supported expected true got false
[FAIL] Web Animations: property <mask-border-slice> from [0% fill] to [50%] at (0.3) should be [0% fill]
  assert_true: 'from' value should be supported expected true got false
[FAIL] Web Animations: property <mask-border-slice> from [0% fill] to [50%] at (0.5) should be [50%]
  assert_true: 'from' value should be supported expected true got false
[FAIL] Web Animations: property <mask-border-slice> from [0% fill] to [50%] at (0.6) should be [50%]
  assert_true: 'from' value should be supported expected true got false
[FAIL] Web Animations: property <mask-border-slice> from [0% fill] to [50%] at (1) should be [50%]
  assert_true: 'from' value should be supported expected true got false
[FAIL] Web Animations: property <mask-border-slice> from [0% fill] to [50%] at (1.5) should be [50%]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Transitions with transition-behavior:allow-discrete: property <mask-border-slice> from [50%] to [100] at (-0.3) should be [50%]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Transitions with transition-behavior:allow-discrete: property <mask-border-slice> from [50%] to [100] at (0) should be [50%]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Transitions with transition-behavior:allow-discrete: property <mask-border-slice> from [50%] to [100] at (0.3) should be [50%]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Transitions with transition-behavior:allow-discrete: property <mask-border-slice> from [50%] to [100] at (0.5) should be [100]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Transitions with transition-behavior:allow-discrete: property <mask-border-slice> from [50%] to [100] at (0.6) should be [100]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Transitions with transition-behavior:allow-discrete: property <mask-border-slice> from [50%] to [100] at (1) should be [100]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Transitions with transition-behavior:allow-discrete: property <mask-border-slice> from [50%] to [100] at (1.5) should be [100]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Transitions with transition-property:all and transition-behavor:allow-discrete: property <mask-border-slice> from [50%] to [100] at (-0.3) should be [50%]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Transitions with transition-property:all and transition-behavor:allow-discrete: property <mask-border-slice> from [50%] to [100] at (0) should be [50%]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Transitions with transition-property:all and transition-behavor:allow-discrete: property <mask-border-slice> from [50%] to [100] at (0.3) should be [50%]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Transitions with transition-property:all and transition-behavor:allow-discrete: property <mask-border-slice> from [50%] to [100] at (0.5) should be [100]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Transitions with transition-property:all and transition-behavor:allow-discrete: property <mask-border-slice> from [50%] to [100] at (0.6) should be [100]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Transitions with transition-property:all and transition-behavor:allow-discrete: property <mask-border-slice> from [50%] to [100] at (1) should be [100]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Transitions with transition-property:all and transition-behavor:allow-discrete: property <mask-border-slice> from [50%] to [100] at (1.5) should be [100]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Transitions: property <mask-border-slice> from [50%] to [100] at (-0.3) should be [100]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Transitions: property <mask-border-slice> from [50%] to [100] at (0) should be [100]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Transitions: property <mask-border-slice> from [50%] to [100] at (0.3) should be [100]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Transitions: property <mask-border-slice> from [50%] to [100] at (0.5) should be [100]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Transitions: property <mask-border-slice> from [50%] to [100] at (0.6) should be [100]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Transitions: property <mask-border-slice> from [50%] to [100] at (1) should be [100]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Transitions: property <mask-border-slice> from [50%] to [100] at (1.5) should be [100]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Transitions with transition: all: property <mask-border-slice> from [50%] to [100] at (-0.3) should be [100]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Transitions with transition: all: property <mask-border-slice> from [50%] to [100] at (0) should be [100]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Transitions with transition: all: property <mask-border-slice> from [50%] to [100] at (0.3) should be [100]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Transitions with transition: all: property <mask-border-slice> from [50%] to [100] at (0.5) should be [100]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Transitions with transition: all: property <mask-border-slice> from [50%] to [100] at (0.6) should be [100]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Transitions with transition: all: property <mask-border-slice> from [50%] to [100] at (1) should be [100]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Transitions with transition: all: property <mask-border-slice> from [50%] to [100] at (1.5) should be [100]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Animations: property <mask-border-slice> from [50%] to [100] at (-0.3) should be [50%]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Animations: property <mask-border-slice> from [50%] to [100] at (0) should be [50%]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Animations: property <mask-border-slice> from [50%] to [100] at (0.3) should be [50%]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Animations: property <mask-border-slice> from [50%] to [100] at (0.5) should be [100]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Animations: property <mask-border-slice> from [50%] to [100] at (0.6) should be [100]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Animations: property <mask-border-slice> from [50%] to [100] at (1) should be [100]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Animations: property <mask-border-slice> from [50%] to [100] at (1.5) should be [100]
  assert_true: 'from' value should be supported expected true got false
[FAIL] Web Animations: property <mask-border-slice> from [50%] to [100] at (-0.3) should be [50%]
  assert_true: 'from' value should be supported expected true got false
[FAIL] Web Animations: property <mask-border-slice> from [50%] to [100] at (0) should be [50%]
  assert_true: 'from' value should be supported expected true got false
[FAIL] Web Animations: property <mask-border-slice> from [50%] to [100] at (0.3) should be [50%]
  assert_true: 'from' value should be supported expected true got false
[FAIL] Web Animations: property <mask-border-slice> from [50%] to [100] at (0.5) should be [100]
  assert_true: 'from' value should be supported expected true got false
[FAIL] Web Animations: property <mask-border-slice> from [50%] to [100] at (0.6) should be [100]
  assert_true: 'from' value should be supported expected true got false
[FAIL] Web Animations: property <mask-border-slice> from [50%] to [100] at (1) should be [100]
  assert_true: 'from' value should be supported expected true got false
[FAIL] Web Animations: property <mask-border-slice> from [50%] to [100] at (1.5) should be [100]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Transitions with transition-behavior:allow-discrete: property <mask-border-slice> from [50% fill] to [100 fill] at (-0.3) should be [50% fill]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Transitions with transition-behavior:allow-discrete: property <mask-border-slice> from [50% fill] to [100 fill] at (0) should be [50% fill]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Transitions with transition-behavior:allow-discrete: property <mask-border-slice> from [50% fill] to [100 fill] at (0.3) should be [50% fill]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Transitions with transition-behavior:allow-discrete: property <mask-border-slice> from [50% fill] to [100 fill] at (0.5) should be [100 fill]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Transitions with transition-behavior:allow-discrete: property <mask-border-slice> from [50% fill] to [100 fill] at (0.6) should be [100 fill]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Transitions with transition-behavior:allow-discrete: property <mask-border-slice> from [50% fill] to [100 fill] at (1) should be [100 fill]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Transitions with transition-behavior:allow-discrete: property <mask-border-slice> from [50% fill] to [100 fill] at (1.5) should be [100 fill]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Transitions with transition-property:all and transition-behavor:allow-discrete: property <mask-border-slice> from [50% fill] to [100 fill] at (-0.3) should be [50% fill]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Transitions with transition-property:all and transition-behavor:allow-discrete: property <mask-border-slice> from [50% fill] to [100 fill] at (0) should be [50% fill]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Transitions with transition-property:all and transition-behavor:allow-discrete: property <mask-border-slice> from [50% fill] to [100 fill] at (0.3) should be [50% fill]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Transitions with transition-property:all and transition-behavor:allow-discrete: property <mask-border-slice> from [50% fill] to [100 fill] at (0.5) should be [100 fill]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Transitions with transition-property:all and transition-behavor:allow-discrete: property <mask-border-slice> from [50% fill] to [100 fill] at (0.6) should be [100 fill]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Transitions with transition-property:all and transition-behavor:allow-discrete: property <mask-border-slice> from [50% fill] to [100 fill] at (1) should be [100 fill]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Transitions with transition-property:all and transition-behavor:allow-discrete: property <mask-border-slice> from [50% fill] to [100 fill] at (1.5) should be [100 fill]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Transitions: property <mask-border-slice> from [50% fill] to [100 fill] at (-0.3) should be [100 fill]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Transitions: property <mask-border-slice> from [50% fill] to [100 fill] at (0) should be [100 fill]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Transitions: property <mask-border-slice> from [50% fill] to [100 fill] at (0.3) should be [100 fill]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Transitions: property <mask-border-slice> from [50% fill] to [100 fill] at (0.5) should be [100 fill]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Transitions: property <mask-border-slice> from [50% fill] to [100 fill] at (0.6) should be [100 fill]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Transitions: property <mask-border-slice> from [50% fill] to [100 fill] at (1) should be [100 fill]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Transitions: property <mask-border-slice> from [50% fill] to [100 fill] at (1.5) should be [100 fill]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Transitions with transition: all: property <mask-border-slice> from [50% fill] to [100 fill] at (-0.3) should be [100 fill]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Transitions with transition: all: property <mask-border-slice> from [50% fill] to [100 fill] at (0) should be [100 fill]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Transitions with transition: all: property <mask-border-slice> from [50% fill] to [100 fill] at (0.3) should be [100 fill]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Transitions with transition: all: property <mask-border-slice> from [50% fill] to [100 fill] at (0.5) should be [100 fill]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Transitions with transition: all: property <mask-border-slice> from [50% fill] to [100 fill] at (0.6) should be [100 fill]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Transitions with transition: all: property <mask-border-slice> from [50% fill] to [100 fill] at (1) should be [100 fill]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Transitions with transition: all: property <mask-border-slice> from [50% fill] to [100 fill] at (1.5) should be [100 fill]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Animations: property <mask-border-slice> from [50% fill] to [100 fill] at (-0.3) should be [50% fill]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Animations: property <mask-border-slice> from [50% fill] to [100 fill] at (0) should be [50% fill]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Animations: property <mask-border-slice> from [50% fill] to [100 fill] at (0.3) should be [50% fill]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Animations: property <mask-border-slice> from [50% fill] to [100 fill] at (0.5) should be [100 fill]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Animations: property <mask-border-slice> from [50% fill] to [100 fill] at (0.6) should be [100 fill]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Animations: property <mask-border-slice> from [50% fill] to [100 fill] at (1) should be [100 fill]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Animations: property <mask-border-slice> from [50% fill] to [100 fill] at (1.5) should be [100 fill]
  assert_true: 'from' value should be supported expected true got false
[FAIL] Web Animations: property <mask-border-slice> from [50% fill] to [100 fill] at (-0.3) should be [50% fill]
  assert_true: 'from' value should be supported expected true got false
[FAIL] Web Animations: property <mask-border-slice> from [50% fill] to [100 fill] at (0) should be [50% fill]
  assert_true: 'from' value should be supported expected true got false
[FAIL] Web Animations: property <mask-border-slice> from [50% fill] to [100 fill] at (0.3) should be [50% fill]
  assert_true: 'from' value should be supported expected true got false
[FAIL] Web Animations: property <mask-border-slice> from [50% fill] to [100 fill] at (0.5) should be [100 fill]
  assert_true: 'from' value should be supported expected true got false
[FAIL] Web Animations: property <mask-border-slice> from [50% fill] to [100 fill] at (0.6) should be [100 fill]
  assert_true: 'from' value should be supported expected true got false
[FAIL] Web Animations: property <mask-border-slice> from [50% fill] to [100 fill] at (1) should be [100 fill]
  assert_true: 'from' value should be supported expected true got false
[FAIL] Web Animations: property <mask-border-slice> from [50% fill] to [100 fill] at (1.5) should be [100 fill]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Transitions with transition-behavior:allow-discrete: property <mask-border-slice> from [0% 10 20% 30 fill] to [40% 50 60% 70] at (-0.3) should be [0% 10 20% 30 fill]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Transitions with transition-behavior:allow-discrete: property <mask-border-slice> from [0% 10 20% 30 fill] to [40% 50 60% 70] at (0) should be [0% 10 20% 30 fill]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Transitions with transition-behavior:allow-discrete: property <mask-border-slice> from [0% 10 20% 30 fill] to [40% 50 60% 70] at (0.3) should be [0% 10 20% 30 fill]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Transitions with transition-behavior:allow-discrete: property <mask-border-slice> from [0% 10 20% 30 fill] to [40% 50 60% 70] at (0.5) should be [40% 50 60% 70]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Transitions with transition-behavior:allow-discrete: property <mask-border-slice> from [0% 10 20% 30 fill] to [40% 50 60% 70] at (0.6) should be [40% 50 60% 70]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Transitions with transition-behavior:allow-discrete: property <mask-border-slice> from [0% 10 20% 30 fill] to [40% 50 60% 70] at (1) should be [40% 50 60% 70]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Transitions with transition-behavior:allow-discrete: property <mask-border-slice> from [0% 10 20% 30 fill] to [40% 50 60% 70] at (1.5) should be [40% 50 60% 70]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Transitions with transition-property:all and transition-behavor:allow-discrete: property <mask-border-slice> from [0% 10 20% 30 fill] to [40% 50 60% 70] at (-0.3) should be [0% 10 20% 30 fill]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Transitions with transition-property:all and transition-behavor:allow-discrete: property <mask-border-slice> from [0% 10 20% 30 fill] to [40% 50 60% 70] at (0) should be [0% 10 20% 30 fill]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Transitions with transition-property:all and transition-behavor:allow-discrete: property <mask-border-slice> from [0% 10 20% 30 fill] to [40% 50 60% 70] at (0.3) should be [0% 10 20% 30 fill]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Transitions with transition-property:all and transition-behavor:allow-discrete: property <mask-border-slice> from [0% 10 20% 30 fill] to [40% 50 60% 70] at (0.5) should be [40% 50 60% 70]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Transitions with transition-property:all and transition-behavor:allow-discrete: property <mask-border-slice> from [0% 10 20% 30 fill] to [40% 50 60% 70] at (0.6) should be [40% 50 60% 70]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Transitions with transition-property:all and transition-behavor:allow-discrete: property <mask-border-slice> from [0% 10 20% 30 fill] to [40% 50 60% 70] at (1) should be [40% 50 60% 70]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Transitions with transition-property:all and transition-behavor:allow-discrete: property <mask-border-slice> from [0% 10 20% 30 fill] to [40% 50 60% 70] at (1.5) should be [40% 50 60% 70]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Transitions: property <mask-border-slice> from [0% 10 20% 30 fill] to [40% 50 60% 70] at (-0.3) should be [40% 50 60% 70]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Transitions: property <mask-border-slice> from [0% 10 20% 30 fill] to [40% 50 60% 70] at (0) should be [40% 50 60% 70]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Transitions: property <mask-border-slice> from [0% 10 20% 30 fill] to [40% 50 60% 70] at (0.3) should be [40% 50 60% 70]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Transitions: property <mask-border-slice> from [0% 10 20% 30 fill] to [40% 50 60% 70] at (0.5) should be [40% 50 60% 70]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Transitions: property <mask-border-slice> from [0% 10 20% 30 fill] to [40% 50 60% 70] at (0.6) should be [40% 50 60% 70]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Transitions: property <mask-border-slice> from [0% 10 20% 30 fill] to [40% 50 60% 70] at (1) should be [40% 50 60% 70]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Transitions: property <mask-border-slice> from [0% 10 20% 30 fill] to [40% 50 60% 70] at (1.5) should be [40% 50 60% 70]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Transitions with transition: all: property <mask-border-slice> from [0% 10 20% 30 fill] to [40% 50 60% 70] at (-0.3) should be [40% 50 60% 70]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Transitions with transition: all: property <mask-border-slice> from [0% 10 20% 30 fill] to [40% 50 60% 70] at (0) should be [40% 50 60% 70]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Transitions with transition: all: property <mask-border-slice> from [0% 10 20% 30 fill] to [40% 50 60% 70] at (0.3) should be [40% 50 60% 70]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Transitions with transition: all: property <mask-border-slice> from [0% 10 20% 30 fill] to [40% 50 60% 70] at (0.5) should be [40% 50 60% 70]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Transitions with transition: all: property <mask-border-slice> from [0% 10 20% 30 fill] to [40% 50 60% 70] at (0.6) should be [40% 50 60% 70]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Transitions with transition: all: property <mask-border-slice> from [0% 10 20% 30 fill] to [40% 50 60% 70] at (1) should be [40% 50 60% 70]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Transitions with transition: all: property <mask-border-slice> from [0% 10 20% 30 fill] to [40% 50 60% 70] at (1.5) should be [40% 50 60% 70]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Animations: property <mask-border-slice> from [0% 10 20% 30 fill] to [40% 50 60% 70] at (-0.3) should be [0% 10 20% 30 fill]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Animations: property <mask-border-slice> from [0% 10 20% 30 fill] to [40% 50 60% 70] at (0) should be [0% 10 20% 30 fill]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Animations: property <mask-border-slice> from [0% 10 20% 30 fill] to [40% 50 60% 70] at (0.3) should be [0% 10 20% 30 fill]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Animations: property <mask-border-slice> from [0% 10 20% 30 fill] to [40% 50 60% 70] at (0.5) should be [40% 50 60% 70]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Animations: property <mask-border-slice> from [0% 10 20% 30 fill] to [40% 50 60% 70] at (0.6) should be [40% 50 60% 70]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Animations: property <mask-border-slice> from [0% 10 20% 30 fill] to [40% 50 60% 70] at (1) should be [40% 50 60% 70]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Animations: property <mask-border-slice> from [0% 10 20% 30 fill] to [40% 50 60% 70] at (1.5) should be [40% 50 60% 70]
  assert_true: 'from' value should be supported expected true got false
[FAIL] Web Animations: property <mask-border-slice> from [0% 10 20% 30 fill] to [40% 50 60% 70] at (-0.3) should be [0% 10 20% 30 fill]
  assert_true: 'from' value should be supported expected true got false
[FAIL] Web Animations: property <mask-border-slice> from [0% 10 20% 30 fill] to [40% 50 60% 70] at (0) should be [0% 10 20% 30 fill]
  assert_true: 'from' value should be supported expected true got false
[FAIL] Web Animations: property <mask-border-slice> from [0% 10 20% 30 fill] to [40% 50 60% 70] at (0.3) should be [0% 10 20% 30 fill]
  assert_true: 'from' value should be supported expected true got false
[FAIL] Web Animations: property <mask-border-slice> from [0% 10 20% 30 fill] to [40% 50 60% 70] at (0.5) should be [40% 50 60% 70]
  assert_true: 'from' value should be supported expected true got false
[FAIL] Web Animations: property <mask-border-slice> from [0% 10 20% 30 fill] to [40% 50 60% 70] at (0.6) should be [40% 50 60% 70]
  assert_true: 'from' value should be supported expected true got false
[FAIL] Web Animations: property <mask-border-slice> from [0% 10 20% 30 fill] to [40% 50 60% 70] at (1) should be [40% 50 60% 70]
  assert_true: 'from' value should be supported expected true got false
[FAIL] Web Animations: property <mask-border-slice> from [0% 10 20% 30 fill] to [40% 50 60% 70] at (1.5) should be [40% 50 60% 70]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Transitions with transition-behavior:allow-discrete: property <mask-border-slice> from [0% 10 20 30 fill] to [40 50 60% 70] at (-0.3) should be [0% 10 20 30 fill]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Transitions with transition-behavior:allow-discrete: property <mask-border-slice> from [0% 10 20 30 fill] to [40 50 60% 70] at (0) should be [0% 10 20 30 fill]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Transitions with transition-behavior:allow-discrete: property <mask-border-slice> from [0% 10 20 30 fill] to [40 50 60% 70] at (0.3) should be [0% 10 20 30 fill]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Transitions with transition-behavior:allow-discrete: property <mask-border-slice> from [0% 10 20 30 fill] to [40 50 60% 70] at (0.5) should be [40 50 60% 70]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Transitions with transition-behavior:allow-discrete: property <mask-border-slice> from [0% 10 20 30 fill] to [40 50 60% 70] at (0.6) should be [40 50 60% 70]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Transitions with transition-behavior:allow-discrete: property <mask-border-slice> from [0% 10 20 30 fill] to [40 50 60% 70] at (1) should be [40 50 60% 70]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Transitions with transition-behavior:allow-discrete: property <mask-border-slice> from [0% 10 20 30 fill] to [40 50 60% 70] at (1.5) should be [40 50 60% 70]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Transitions with transition-property:all and transition-behavor:allow-discrete: property <mask-border-slice> from [0% 10 20 30 fill] to [40 50 60% 70] at (-0.3) should be [0% 10 20 30 fill]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Transitions with transition-property:all and transition-behavor:allow-discrete: property <mask-border-slice> from [0% 10 20 30 fill] to [40 50 60% 70] at (0) should be [0% 10 20 30 fill]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Transitions with transition-property:all and transition-behavor:allow-discrete: property <mask-border-slice> from [0% 10 20 30 fill] to [40 50 60% 70] at (0.3) should be [0% 10 20 30 fill]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Transitions with transition-property:all and transition-behavor:allow-discrete: property <mask-border-slice> from [0% 10 20 30 fill] to [40 50 60% 70] at (0.5) should be [40 50 60% 70]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Transitions with transition-property:all and transition-behavor:allow-discrete: property <mask-border-slice> from [0% 10 20 30 fill] to [40 50 60% 70] at (0.6) should be [40 50 60% 70]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Transitions with transition-property:all and transition-behavor:allow-discrete: property <mask-border-slice> from [0% 10 20 30 fill] to [40 50 60% 70] at (1) should be [40 50 60% 70]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Transitions with transition-property:all and transition-behavor:allow-discrete: property <mask-border-slice> from [0% 10 20 30 fill] to [40 50 60% 70] at (1.5) should be [40 50 60% 70]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Transitions: property <mask-border-slice> from [0% 10 20 30 fill] to [40 50 60% 70] at (-0.3) should be [40 50 60% 70]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Transitions: property <mask-border-slice> from [0% 10 20 30 fill] to [40 50 60% 70] at (0) should be [40 50 60% 70]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Transitions: property <mask-border-slice> from [0% 10 20 30 fill] to [40 50 60% 70] at (0.3) should be [40 50 60% 70]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Transitions: property <mask-border-slice> from [0% 10 20 30 fill] to [40 50 60% 70] at (0.5) should be [40 50 60% 70]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Transitions: property <mask-border-slice> from [0% 10 20 30 fill] to [40 50 60% 70] at (0.6) should be [40 50 60% 70]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Transitions: property <mask-border-slice> from [0% 10 20 30 fill] to [40 50 60% 70] at (1) should be [40 50 60% 70]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Transitions: property <mask-border-slice> from [0% 10 20 30 fill] to [40 50 60% 70] at (1.5) should be [40 50 60% 70]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Transitions with transition: all: property <mask-border-slice> from [0% 10 20 30 fill] to [40 50 60% 70] at (-0.3) should be [40 50 60% 70]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Transitions with transition: all: property <mask-border-slice> from [0% 10 20 30 fill] to [40 50 60% 70] at (0) should be [40 50 60% 70]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Transitions with transition: all: property <mask-border-slice> from [0% 10 20 30 fill] to [40 50 60% 70] at (0.3) should be [40 50 60% 70]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Transitions with transition: all: property <mask-border-slice> from [0% 10 20 30 fill] to [40 50 60% 70] at (0.5) should be [40 50 60% 70]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Transitions with transition: all: property <mask-border-slice> from [0% 10 20 30 fill] to [40 50 60% 70] at (0.6) should be [40 50 60% 70]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Transitions with transition: all: property <mask-border-slice> from [0% 10 20 30 fill] to [40 50 60% 70] at (1) should be [40 50 60% 70]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Transitions with transition: all: property <mask-border-slice> from [0% 10 20 30 fill] to [40 50 60% 70] at (1.5) should be [40 50 60% 70]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Animations: property <mask-border-slice> from [0% 10 20 30 fill] to [40 50 60% 70] at (-0.3) should be [0% 10 20 30 fill]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Animations: property <mask-border-slice> from [0% 10 20 30 fill] to [40 50 60% 70] at (0) should be [0% 10 20 30 fill]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Animations: property <mask-border-slice> from [0% 10 20 30 fill] to [40 50 60% 70] at (0.3) should be [0% 10 20 30 fill]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Animations: property <mask-border-slice> from [0% 10 20 30 fill] to [40 50 60% 70] at (0.5) should be [40 50 60% 70]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Animations: property <mask-border-slice> from [0% 10 20 30 fill] to [40 50 60% 70] at (0.6) should be [40 50 60% 70]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Animations: property <mask-border-slice> from [0% 10 20 30 fill] to [40 50 60% 70] at (1) should be [40 50 60% 70]
  assert_true: 'from' value should be supported expected true got false
[FAIL] CSS Animations: property <mask-border-slice> from [0% 10 20 30 fill] to [40 50 60% 70] at (1.5) should be [40 50 60% 70]
  assert_true: 'from' value should be supported expected true got false
[FAIL] Web Animations: property <mask-border-slice> from [0% 10 20 30 fill] to [40 50 60% 70] at (-0.3) should be [0% 10 20 30 fill]
  assert_true: 'from' value should be supported expected true got false
[FAIL] Web Animations: property <mask-border-slice> from [0% 10 20 30 fill] to [40 50 60% 70] at (0) should be [0% 10 20 30 fill]
  assert_true: 'from' value should be supported expected true got false
[FAIL] Web Animations: property <mask-border-slice> from [0% 10 20 30 fill] to [40 50 60% 70] at (0.3) should be [0% 10 20 30 fill]
  assert_true: 'from' value should be supported expected true got false
[FAIL] Web Animations: property <mask-border-slice> from [0% 10 20 30 fill] to [40 50 60% 70] at (0.5) should be [40 50 60% 70]
  assert_true: 'from' value should be supported expected true got false
[FAIL] Web Animations: property <mask-border-slice> from [0% 10 20 30 fill] to [40 50 60% 70] at (0.6) should be [40 50 60% 70]
  assert_true: 'from' value should be supported expected true got false
[FAIL] Web Animations: property <mask-border-slice> from [0% 10 20 30 fill] to [40 50 60% 70] at (1) should be [40 50 60% 70]
  assert_true: 'from' value should be supported expected true got false
[FAIL] Web Animations: property <mask-border-slice> from [0% 10 20 30 fill] to [40 50 60% 70] at (1.5) should be [40 50 60% 70]
  assert_true: 'from' value should be supported expected true got false
Harness: the test ran to completion.