meEffect(div, {}, 225);
  const animation = new Animation(effect, new DocumentTimeline());
  animation.reverse();
  animation.pause();
  animation.playbackRate = -1;;
  animation.updatePlaybackRate(1);
  assert_array_equals(div.getAnimations(), []);
}, 'Does not return an animation that has recently been made not current by setting the playback rate');

test(t => {
  const div = createDiv(t);
  const animation = div.animate(null, 100 * MS_PER_SEC);

  animation.finish();
  assert_array_equals(div.getAnimati