TestAction testAction = (TestAction) action;
testAction.setFoo("true");
CheckboxTag tag = new CheckboxTag();
Mock rdMock = new Mock(RequestDispatcher.class);
rdMock.expect("include",C.args(C.isA(HttpServletRequest.class), C.isA(HttpServletResponse.class)));
RequestDispatcher dispatcher = (RequestDispatcher) rdMock.proxy();
request.setupGetRequestDispatcher(dispatcher);
tag.setPageContext(pageContext);
tag.setTemplate("/test/checkbox.jsp");
tag.doStartTag();
tag.doEndTag();
rdMock.verify();
