m_server.addRealm(new JettyUserRealm());
    protected void startServer() throws Exception {        // uncomment to disable page and component caching        // System.setProperty("org.apache.tapestry.disable-caching", "true");        m_server = new Server();        m_server.addListener(new InetAddrPort(m_port));        String war = SiteTestHelper.getBuildDirectory() + "/tests/war";        m_server.addWebApplication("/sipxconfig", war);        m_server.addRealm(new JettyUserRealm());        m_server.start();    }