public  void doTest(String jspName) throws Exception 
{
        WebRequest request = new GetMethodWebRequest(jspName);
        request.setParameter("city", "München");
        WebResponse response = runner.getResponse(request);
        if (log.isDebugEnabled())
        {
            log.debug(response.getText());
        }
        WebTable[] tables = response.getTables();
        assertEquals("Wrong number of tables.", 1, tables.length);
        WebLink[] links = response.getLinks();
        assertEquals("Wrong number of links in result.", MediaTypeEnum.getSize() - 1, links.length);
        if (SystemUtils.isJavaVersionAtLeast(1.4f))
        {
            assertTrue("Encoded parameter in link is wrong: " + links[0].getURLString(), links[0]
                .getURLString()
                .indexOf("M%C3%BCnchen")  > -1);
        }
        else
        {
            log.info("Warning, jse 1.4 not available. Encoding used in link will be wrong");
            assertTrue("Encoded parameter in link is wrong: " + links[0].getURLString(), links[0]
                .getURLString()
                .indexOf("M%FCnchen")  > -1);
        }
}

Test link generated using requestUri.

 public String getJspName() 
{
        return "requesturi.jsp";
}