bless("request full screen")
  await document.documentElement.requestFullscreen();
  const value = await screen.orientation.lock('any');
  assert_equals(value, undefined);
}, "Test that screen.orientation.lock returns a promise which will be fulfilled with a void value.");

promise_test(async t => {
  t.add_cleanup(makeCleanup());
  await test_driver.bless("request full screen")
  await document.documentElement.requestFullscreen();
  const initialOrientation = screen.orientation.type;
  const orientations =