anchor.diff:      %% get /dir 1/file.txt by objectid
       RequestHeaders6 = [?CDMI_VERSION_HEADER, user_1_token_header(Config)],
       {ok, Code6, _Headers6, Response6} = do_request(WorkerP2, "cdmi_objectid/" ++ binary_to_list(DirId) ++ "/" ++ TestFileName, get, RequestHeaders6, []),
  -    ?assertEqual(200, Code6),
  +    ?assertEqual(?HTTP_200_OK, Code6),
       CdmiResponse6 = (json_utils:decode(Response6)),
       Meta3 = maps:remove(<<"cdmi_atime">>, (maps:get(<<"metadata">>, CdmiResponse3))),
       CdmiResponse3WithoutAtime = maps:put(<<"metadata">>, Meta3, CdmiResponse3),
  
positive.code:     %%------ writing at random -------- (should return zero bytes in any gaps)
  %%     RequestBody3 = json_utils:encode(#{<<"value">> => base64:encode(<<"data">>)}), todo fix https://jira.onedata.org/jira/browse/VFS-1443 and uncomment
  %%     {ok, Code3, _Headers3, _Response3} = do_request(Workers, FileName ++ "?value:10-13", put, RequestHeaders2, RequestBody3),
  %%     ?assertEqual(204, Code3),
  %%
  %%     ?assertEqual(<<100, 97, 116, 97, 0, 0, 0, 0, 0, 0, 100, 97, 116, 97>>, get_file_content(Config, FileName)), % "data(6x<0_byte>)data"
      %%------------------------------
  
negative.code:     RequestHeaders8 = [?CDMI_VERSION_HEADER],
      {ok, Code8, Headers8, Response8} =
          do_request(Workers, "cdmi_capabilities/", get, RequestHeaders8, []),
      ?assertEqual(?HTTP_200_OK, Code8),
  
      ?assertMatch(#{?HDR_CONTENT_TYPE := <<"application/cdmi-capability">>}, Headers8),
      CdmiResponse8 = (json_utils:decode(Response8)),
  