private MockHttpServletResponse runTest(Class<?> configClass) throws ServletException, IOException {
String basePath = "org/springframework/web/servlet/config/annotation";
MockServletContext servletContext = new MockServletContext(basePath);
MockServletConfig servletConfig = new MockServletConfig(servletContext);
MockHttpServletRequest request = new MockHttpServletRequest("GET", "/");
MockHttpServletResponse response = new MockHttpServletResponse();
AnnotationConfigWebApplicationContext context = new AnnotationConfigWebApplicationContext();
context.register(configClass);