title: MockMvc - status expected:<200> but was:<302>
body: <p>The 302 error occurred during mockmvc test junit.
  The redirect issue of insertBoard class,what should i do.
  status expected:&lt;200> but was:&lt;302></p>
  
  <pre><code>@RequestMapping(value="/sample/insertBoard.do")
  public ModelAndView insertBoard(CommandMap commandMap,HttpServletRequest request) throws Exception{
      ModelAndView mv = ModelAndView("redirect:/sample/openBoardList.do");
      sampleService.insertBoard(commandMap.getMap(),request);
      return mv;
  }
  
  @Test
  public void testInsertBoard() throws Exception{
      File fis = new File("c:\\users\\aaa.jpg");
      FileInputStream fi1 = new FileInputStream(fis);
      MockMultipartFile file = new MockMultipartFile("file",fis.getName(),"multipart/form-data",fi1);
  
      this.mockMvc.perform(MockMvcRequestBuilders.fileupload("/sample/insertBoard.do"))
                  .file(file)
                  .param("title","title_test")
                  .param("contents","contents_test")
                  .contentType(MediaType.MULTIPART_FORM_DATA)
                  .andExpect(status().isOk());
  }
  </code></pre>