chromium/third_party/blink/web_tests/animations/3d/transform-perspective-expected.txt

PASS - "transform" property for "box" element at 2.5s saw something close to: matrix3d(1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, -0.0075, 0, 0, 0, 1)
PASS - "transform" property for "box2" element at 2.5s saw something close to: matrix3d(1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, -0.00199, 0, 0, 0, 1)