anchor.diff:      {ok, Code4, _Headers4, Response4} = do_request(Worker, "cdmi_objectid/" ++ binary_to_list(RootId) ++ "/", get, RequestHeaders4, []),
       ?assertEqual(200, Code4),
       CdmiResponse4 = json_utils:decode(Response4),
  -    ?assertEqual(CdmiResponse1, CdmiResponse4), % should be the same as in 1
  +    Meta1 = proplists:delete(<<"cdmi_atime">>, proplists:get_value(<<"metadata">>, CdmiResponse1)),
  +    CdmiResponse1WithoutAtime = [{<<"metadata">>, Meta1} | proplists:delete(<<"metadata">>, CdmiResponse1)],
  +    Meta4 = proplists:delete(<<"cdmi_atime">>, proplists:get_value(<<"metadata">>, CdmiResponse4)),
  +    CdmiResponse4WithoutAtime = [{<<"metadata">>, Meta4} | proplists:delete(<<"metadata">>, CdmiResponse4)],
  +    ?assertEqual(CdmiResponse1WithoutAtime, CdmiResponse4WithoutAtime), % should be the same as in 1 (except access time)
       %%------------------------------
   
       %%--- get /dir/ by objectid ----
  
positive.code:     {ok, Code5, _Headers5, Response5} = do_request(Worker, "cdmi_objectid/" ++ binary_to_list(DirId) ++ "/", get, RequestHeaders5, []),
      ?assertEqual(200, Code5),
      CdmiResponse5 = json_utils:decode(Response5),
      ?assertEqual( % should be the same as in 2 (except parent)
          proplists:delete(<<"parentURI">>, proplists:delete(<<"parentID">>, CdmiResponse2)),
          proplists:delete(<<"parentURI">>, proplists:delete(<<"parentID">>, CdmiResponse5))
      ),
      %%------------------------------
  
  
negative.code:     CTime1 = binary_to_integer(proplists:get_value(<<"cdmi_ctime">>, Metadata1)),
      ATime1 = binary_to_integer(proplists:get_value(<<"cdmi_atime">>, Metadata1)),
      MTime1 = binary_to_integer(proplists:get_value(<<"cdmi_mtime">>, Metadata1)),
      ?assert(ATime1 =:= MTime1), % ATime and MTime are set in the moment of file creation and not modified later
      ?assert(Before =< CTime1),
      ?assert(Before =< ATime1),
      ?assert(ATime1 =< CTime1), % CTime might be after MTime and ATime due to metadata change
      ?assert(CTime1 =< After),
      ?assert(ATime1 =< After),
      ?assertMatch(<<_/binary>>, proplists:get_value(<<"cdmi_owner">>, Metadata1)),
      ?assertEqual(<<"my_value">>, proplists:get_value(<<"my_metadata">>, Metadata1)),
      ?assertEqual(6, length(Metadata1)),
  