code: public static void assertXpathsEqual(String controlXpath, String testXpath,
                                           Document document)
          throws XpathException {
          assertXpathsEqual(controlXpath, document, testXpath, document);
      }
docs: Assert that the node lists of two Xpaths in the same document are equal
  @param controlXpath
  @param testXpath
  @param document
  @see XpathEngine