anchor.diff:  
       RequestHeaders4 = [?OBJECT_CONTENT_TYPE_HEADER, ?CDMI_VERSION_HEADER, user_1_token_header(Config)],
       {ok, Code4, _Headers4, _Response4} = do_request(Workers, ToCreate4, put, RequestHeaders4, []),
  -    ?assertEqual(201, Code4),
  +    ?assertEqual(?HTTP_201_CREATED, Code4),
   
       ?assert(object_exists(Config, ToCreate4)),
       ?assertEqual(<<>>, get_file_content(Config, ToCreate4)),
  
positive.code:     RequestHeaders9 = [?CDMI_VERSION_HEADER],
      {ok, Code9, _Headers9, Response9} =
          do_request(Workers, "cdmi_capabilities/container/", get, RequestHeaders9, []),
      ?assertEqual(200, Code9),
      ?assertMatch({ok, Code9, _, Response9}, do_request(Workers, "cdmi_objectid/" ++ binary_to_list(?CONTAINER_CAPABILITY_ID) ++ "/", get, RequestHeaders9, [])),
  
      CdmiResponse9 = (json_utils:decode(Response9)),
  
negative.code: 
      % when
      ?assertMatch(
          {ok, ?HTTP_201_CREATED, _ResponseHeaders, _Response},
          do_request(Workers, binary_to_list(SpaceName) ++ "/file1", put,
              [?CDMI_VERSION_HEADER, user_1_token_header(Config)], <<"data">>
          )),
      ?assertMatch(
          {ok, ?HTTP_201_CREATED, _ResponseHeaders2, _Response2},
          do_request(Workers, binary_to_list(SpaceName) ++ "/file2", put,
              [?CDMI_VERSION_HEADER, user_1_token_header(Config), {?HDR_CONTENT_TYPE, <<"text/plain">>}],
              <<"data2">>
  