[animation-range-scroll-timeline.html]
  [The animation-range-start CSS property maps to Animation's 'rangeStart' property]
    expected: FAIL

  [The animation-range-end CSS property maps to Animation's 'rangeEnd' property]
    expected: FAIL

  [The auto-aligned start time accounts for the animation-range-start property]
    expected: FAIL

  [The effect duration accounts for the animation-range-* properties]
    expected: FAIL