_true(video.paused);
    const playPromise = video.play();
    assert_false(video.paused);
    if (playPromise) {
      playPromise.catch(() => {});
    }
  });
}, 'user activation');

promise_test(() => {
  return test_driver.bless('demonstrates return value without action')
    .then((value) => {
      assert_equals(value, null);
    });
}, 'no action function provided');

promise_test(() => {
  const expectedValue = {};

  return test_driver.bless('demonstrate a synchronous return value', () => {
      r