Harness status: OK Found 16 tests 9 Pass 7 Fail Pass Playing an animations aligns the start time with the start of the active range Pass Playing an animations with a negative playback rate aligns the start time with the end of the active range Pass Start time set while play pending is preserved. Pass Current time set while play pending is preserved. Fail Playing a running animation resets a sticky start time Fail Playing a finished animation restarts the animation aligned at the start Fail Playing a finished and reversed animation restarts the animation aligned at the end Fail Playing a pause-pending but previously finished animation realigns with the scroll position Fail Playing a finished animation clears the start time Pass The ready promise should be replaced if the animation is not already pending Pass A pending ready promise should be resolved and not replaced when the animation enters the running state Fail Resuming an animation from paused realigns with scroll position. Pass If a pause operation is interrupted, the ready promise is reused Fail A pending playback rate is used when determining timeline range alignment Pass Playing a canceled animation sets the start time Pass Playing a canceled animation backwards sets the start time