
PASS play() overrides animation-play-state
PASS play() does NOT override the animation-play-state if there was an error
PASS pause() overrides animation-play-state
PASS reverse() overrides animation-play-state when it starts playing the animation
PASS reverse() does NOT override animation-play-state if the animation is already running
PASS Setting the startTime to null overrides animation-play-state if the animation is already running
PASS Setting the startTime to non-null overrides animation-play-state if the animation is paused
PASS Setting the startTime to non-null does NOT override the animation-play-state if the animation is already running
PASS Setting the current time completes a pending pause