这可能与HTML？(Is this possible with HTML?)

 使用standaloneSetup您所做的只是执行特定控制器的设置。 
 
 如果您不想配置整个应用程序上下文（使用webAppContextSetup而不是standaloneSetup ），可以通过将代码更改为：手动设置异常处理程序： 
 
 @Before
 public void setup() throws IOException {
     MockitoAnnotations.initMocks(this);
     mockMvc = MockMvcBuilders.standaloneSetup(controller).setHandlerExceptionResolvers(new ExceptionHandlerExceptionResolver()).build();
 }

 @Test
 public void test() throws Exception {
     mockMvc.perform(get("/verifyCert.controller").contentType(MediaType.APPLICATION_JSON).accept(MediaType.APPLICATION_JSON)).andExpect(status().isForbidden());
 }
 
 这是有效的，因为ExceptionHandlerExceptionResolver是Spring MVC用于处理基于@ExceptionHandler注释的异常的类 
 
 查看我的一个较旧的相关答案，其中涵盖了一个更加困难的案例（在包含@ExceptionHandler的类上使用@ControllerAdvice ）。 

When using standaloneSetup all you are doing is performing the setup for the specific controller.
 
If you don't want to configure the whole application context (which you would do with webAppContextSetup instead of standaloneSetup), you can manually setup the exception handler by changing your code to:
 
 @Before
 public void setup() throws IOException {
     MockitoAnnotations.initMocks(this);
     mockMvc = MockMvcBuilders.standaloneSetup(controller).setHandlerExceptionResolvers(new ExceptionHandlerExceptionResolver()).build();
 }

 @Test
 public void test() throws Exception {
     mockMvc.perform(get("/verifyCert.controller").contentType(MediaType.APPLICATION_JSON).accept(MediaType.APPLICATION_JSON)).andExpect(status().isForbidden());
 }
 
This works because ExceptionHandlerExceptionResolver is the class that Spring MVC uses to handle exceptions based on the @ExceptionHandler annotation
 
Check out one of my older relevant answers that covers an ever more difficult case (the use of @ControllerAdvice on a class that contains @ExceptionHandler).