XMLAssert.assertXpathsNotEqual(controlXpath, controlDocument, testXpath, testDocument);
assertXpathsNotEqual(controlXpath, testXpath, document, null);
    public void assertXpathsNotEqual(String controlXpath, Document controlDocument,    String testXpath, Document testDocument)        throws XpathException {    	XMLAssert.assertXpathsNotEqual(controlXpath, controlDocument, testXpath, testDocument);    }