org.springframework.test.web.servlet.request
    contentType
    content
    sessionAttr

org.springframework.test.web.servlet.MockMvc
   perform(RequestBuilder requestBuilder)

     import static org.springframework.test.web.servlet.request.MockMvcRequestBuilders.*;

       get()
       post()

org.springframework.test.web.servlet.ResultActions.andExpect(ResultMatcher matcher)

   import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.*
  
     status()
     view()
     forwardedUrl()
     redirectedUrl()
     model()
     flash()

org.springframework.test.web.servlet.ResultActions.andDo(ResultHandler handler)

   import static org.springframework.test.web.servlet.result.MockMvcResultHandlers.*;

     print()