[DOMImplementation-createDocument.html]
  type: testharness
  [createDocument test 6: null,"̀foo",null,"INVALID_CHARACTER_ERR"]
    expected: FAIL

  [createDocument test 172: metadata for null,null,DocumentType node]
    expected: FAIL

  [createDocument test 172: null,null,DocumentType node,null]
    expected: FAIL

  [createDocument test 185: null,"",DocumentType node]
    expected: FAIL

  [createDocument test 186: null,"",DocumentType node]
    expected: FAIL

