public  void doTest(String jspName) throws Exception 
{
        // test keep
        WebRequest request = new GetMethodWebRequest(jspName);
        WebResponse response = runner.getResponse(request);
        // test remove
        ParamEncoder encoder = new ParamEncoder("table");
        String mediaParameter = encoder.encodeParameterName(TableTagParameters.PARAMETER_EXPORTTYPE);
        request = new GetMethodWebRequest(jspName);
        request.setParameter(mediaParameter, Integer.toString(MediaTypeEnum.XML.getCode()));
        response = runner.getResponse(request);
        assertNull("Header Cache-Control not overwritten", response.getHeaderField("Cache-Control"));
        assertNull("Header Expires not overwritten", response.getHeaderField("Expires"));
        assertNull("Header Pragma not overwritten", response.getHeaderField("Pragma"));
}

Test that headers are correctly removed.

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