[unresolved-element-pseudoclass-matching-query-selector-all.html]
  type: testharness
  [Custom element type must be taken from the local name of the element even if IS attribute provided. There\'s no definition for the value of IS attribute at first]
    expected: FAIL

  [Test that Document.querySelectorAll(\':unresolved\') returns unresolved custom elements, extending HTML elements by IS attribute]
    expected: FAIL

