chromium/third_party/blink/web_tests/media/controls/doubletap-to-jump-forwards-too-short.html

<!DOCTYPE html>
<html>
<title>Test that player will jump to the end if less than 10 seconds remaining.</title>
<script src="../../resources/testharness.js"></script>
<script src="../../resources/testharnessreport.js"></script>
<script src="../media-controls.js"></script>
<video controls width=400 src="../content/60_sec_video.webm"></video>
<script>
async_test(t => {
  const video = document.querySelector('video');

  video.addEventListener('playing', () => {
    // Seek the video to the end
    if (video.currentTime < 55) {
      video.currentTime = 55;

      // Double tap on the right side.
      const coordinates = videoRightEdgeCoordinates(video);
      doubleTouchAtCoordinates(coordinates[0], coordinates[1]);
    }
  }, { once: true });

  video.ontimeupdate = t.step_func(() => {
    // The time should never reach 57 seconds as we skipped over it
    assert_not_equals(57, Math.round(video.currentTime));
  });

  video.addEventListener('ended', t.step_func_done(), { once: true });

  video.play();
});
</script>
</html>