public  void doTest(String jspName) throws Exception 
{
        ParamEncoder encoder = new ParamEncoder("table");
        String mediaParameter = encoder.encodeParameterName(TableTagParameters.PARAMETER_EXPORTTYPE);
        WebRequest request = new GetMethodWebRequest(jspName);
        request.setParameter(mediaParameter, "" + MediaTypeEnum.XML.getCode());
        WebResponse response = runner.getResponse(request);
        if (log.isDebugEnabled())
        {
            log.debug("RESPONSE: " + response.getText());
        }
        // we are really testing an xml output?
        assertEquals("Expected a different content type.", "text/xml", response.getContentType());
        String output = response.getText();
        assertTrue("Expected value [" + KnownValue.BEE + "] missing", StringUtils.contains(output, KnownValue.BEE));
        assertTrue("Expected value [" + KnownValue.CAMEL + "] missing", StringUtils.contains(output, KnownValue.CAMEL));
        assertTrue("Unexpected value [" + KnownValue.ANT + "] found", !StringUtils.contains(output, KnownValue.ANT));
}

Test as Xml.

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