This is a testharness.js-based test.
Found 4 FAIL, 0 TIMEOUT, 0 NOTRUN.
[FAIL] VTTCue interface: attribute lineAlign
assert_true: The prototype object must have a property "lineAlign" expected true got false
[FAIL] VTTCue interface: attribute positionAlign
assert_true: The prototype object must have a property "positionAlign" expected true got false
[FAIL] VTTCue interface: new VTTCue(0, 0, "") must inherit property "lineAlign" with the proper type
assert_inherits: property "lineAlign" not found in prototype chain
[FAIL] VTTCue interface: new VTTCue(0, 0, "") must inherit property "positionAlign" with the proper type
assert_inherits: property "positionAlign" not found in prototype chain
Harness: the test ran to completion.