MockHttpServletRequest request = new MockHttpServletRequest();
request.setAttribute("request", "request");
request.setSession(session);
MockPageContext pageContext = new MockPageContext();
pageContext.setServletConfig(servletConfig);
pageContext.setServletRequest(request);
pageContext.setAttribute("page", "page");
assertSame("Request session", session, request.getSession());
JXPathContext context = JXPathServletContexts.getPageContext(pageContext);