protected void initServlet(String webXml) throws Exception {
    ServletRunner runner = new ServletRunner(new File(srcdir, webXml), "");
    client = runner.newClient();
    ic = client.newInvocation("http://localhost:8080/app1");

    originalServletContext = ic.getServlet().getServletConfig().getServletContext();
    servletContext = createServletContextWrapper(true);
    request = ic.getRequest();
    response = ic.getResponse();
  }
 protected String doTest() throws IOException, SAXException {
   ServletUnitClient sc = sr.newClient();
   WebRequest request = new GetMethodWebRequest("http://incongru.net/empty");
   WebResponse response = sc.getResponse(request);
   return response.getText();
 }