public void testRetrieveWSDLDataNoServices() throws Exception {
String wsdlFileName = "src/test/resources/InstanceRegIdRetriever-NoServices.wsdl";
String wsdl11Content = getFileContent(wsdlFileName);
TreeNodeBuilder builder = new TreeNodeBuilder(wsdlFileName, wsdl11Content);
TreeNode wsdlTreeNode = builder.buildTree();
assertEquals(wsdlTreeNode.getKey(), "Wsdl<em>: InstanceRegIdRetriever-NoServices.wsdl</em>");
TreeNode[] rootChilds = getTreeChildNodes(wsdlTreeNode);
assertEquals(rootChilds[0].getKey(), "Documentation");
assertEquals(rootChilds[1].getKey(), "Version");