public  void doTest(String jspName) throws Exception 
{
        WebRequest request = new GetMethodWebRequest(jspName);
        request.setParameter("test", "value");
        WebResponse response = runner.getResponse(request);
        if (log.isDebugEnabled())
        {
            log.debug(response.getText());
        }
        WebTable[] tables = response.getTables();
        assertEquals("Wrong number of tables in result.", 1, tables.length);
        if (log.isDebugEnabled())
        {
            log.debug(response.getText());
        }
        WebLink[] links = response.getLinks();
        assertTrue("No links found.", links.length  > 0);
        String url = links[0].getURLString();
        assertTrue("Expected parameter not found in url " + url, StringUtils.contains(url, "test=value"));
}

Check generated links for form parameters.

 public String getJspName() 
{
        return "DISPL-264.jsp";
}