*/
public void testSetQueryParameterWhenRequestHasAnQueryUrl()
{
PageParameters parameters = new PageParameters();
parameters.set("q_1", "q_1_value");
IPageProvider testPageProvider = new PageProvider(MockPageParametersAware.class, parameters);
IRequestHandler pageRequestHandler = new BookmarkablePageRequestHandler(testPageProvider);
Url url = tester.getApplication().getRootRequestMapper().mapHandler(pageRequestHandler);
tester.getRequest().setParameter("q_2", "q_2_value");
tester.getRequest().setUrl(url);