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