[play-animation.html]
  [If a pause operation is interrupted, the ready promise is reused]
    expected: FAIL

  [Resuming an animation from paused calculates start time from hold time]
    expected: FAIL

  [Playing a finished and reversed animation seeks to end]
    expected: FAIL

  [A pending playback rate is used when determining auto-rewind behavior]
    expected: FAIL

  [Playing a finished animation clears the start time]
    expected: FAIL

  [Playing a running animation leaves the current time unchanged]
    expected: FAIL

  [Playing a canceled animation backwards sets the start time]
    expected: FAIL

  [Playing a finished animation seeks back to the start]
    expected: FAIL

  [Playing a canceled animation sets the start time]
    expected: FAIL

  [The ready promise should be replaced if the animation is not already pending]
    expected: FAIL

  [A pending ready promise should be resolved and not replaced when the animation enters the running state]
    expected: FAIL

  [Playing a pause-pending but previously finished animation seeks back to to the start]
    expected: FAIL

