[Document-createElementNS.html]
  [createElementNS test in HTML document: "http://example.com/","a:0","NAMESPACE_ERR"]
    bug: https://github.com/whatwg/dom/issues/319
    expected: FAIL

  [createElementNS test in XML document: "http://example.com/","a:0","NAMESPACE_ERR"]
    bug: https://github.com/whatwg/dom/issues/319
    expected: FAIL

  [createElementNS test in XHTML document: "http://example.com/","a:0","NAMESPACE_ERR"]
    bug: https://github.com/whatwg/dom/issues/319
    expected: FAIL

