img3 = document.createElement('img');
  container3.appendChild(img3);
  const img3Load = new Promise(resolve => img3.onload = resolve);
  img3.src = 'resources/dice.png';
  await img3Load;
  assert_not_equals(img3.x, 0, 'x');

  const img4 = document.createElement('img');
  container4.appendChild(img4);
  const img4Load = new Promise(resolve => img4.onload = resolve);
  img4.src = 'resources/dice.png';
  await img4Load;
  assert_not_equals(img4.y, 0, 'y');

}, `c-v:hidden <img> layout APIs shouldn't return 