[create-element-interface-type-is-a-type-extension.html]
  type: testharness
  [Test Document.createElement() creates custom element of type, specified by typeExtension argument]
    expected: FAIL

  [Test Document.createElementNS() creates custom element of type, specified by typeExtension argument]
    expected: FAIL

  [Test Document.createElement() creates custom element of type, specified by typeExtension argument. Definition for localName is absent]
    expected: FAIL

  [Test Document.createElementNS() creates custom element of type, specified by typeExtension argument. Definition for localName is absent]
    expected: FAIL

