这是我可以运行的文件，希望对你有帮助...

package com.chengsluo.demo.controller;

import org.junit.Test;
import org.junit.runner.RunWith;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.test.autoconfigure.web.servlet.AutoConfigureMockMvc;
import org.springframework.boot.test.context.SpringBootTest;
import org.springframework.test.context.junit4.SpringRunner;
import org.springframework.test.web.servlet.MockMvc;
import org.springframework.test.web.servlet.request.MockMvcRequestBuilders;
import org.springframework.test.web.servlet.result.MockMvcResultMatchers;

@RunWith(SpringRunner.class)
@SpringBootTest
@AutoConfigureMockMvc

public class GrilControllerTest {

   @Autowired
   private MockMvc mockMvc;

   @Test
   public void girlsList() throws Exception {
      mockMvc.perform(MockMvcRequestBuilders.get("/girls"))
            .andExpect(MockMvcResultMatchers.status().isOk());
//          .andExpect(MockMvcResultMatchers.status().string("213"));
   }
}