MockServletContext servletContext = new MockServletContext();
String servletName = "click-servlet";
String servletPath = "test";
MockServletConfig servletConfig = new MockServletConfig(servletName,
servletContext);
ClickServlet servlet = new ClickServlet();
MockResponse response = new MockResponse();
MockSession session = new MockSession(servletContext);
MockRequest request = new MockRequest() {
// Override getParameter to throw exception if argument is null