public static XPath buildXPath(NamespaceContext namespaceContext) {
        XPath xPath = XPathFactory.newInstance().newXPath();
        xPath.setNamespaceContext(namespaceContext);
        return xPath;
    }
@Test
    public void testBuildXPath() {
        assertNotNull(XmlHelper.buildXPath(new CamelSpringNamespace()));
    }