 finished animations that fill backwards');

test(t => {
  const div = createDiv(t);
  const animation = div.animate(null, 100 * MS_PER_SEC);
  animation.playbackRate = -1;
  animation.currentTime = 200 * MS_PER_SEC;
  assert_array_equals(div.getAnimations(), [animation]);
}, 'Returns reversed animations yet to reach their active phase');

test(t => {
  const div = createDiv(t);
  const animation = div.animate(null, {
    duration: 100 * MS_PER_SEC,
    delay: 100 * MS_PER_SEC,
  });
  animation.playbackRat