assertXpathValuesEqual(controlXpath, document, testXpath, document);
assertXpathValuesEqual(controlXpath, document, testXpath, document, null);
    public static void assertXpathValuesEqual(String controlXpath, String testXpath,    Document document)        throws XpathException {        assertXpathValuesEqual(controlXpath, document, testXpath, document);    }