anchor.diff:      %%---- value update, http ------
       UpdateValue = <<"123">>,
       RequestHeaders4 = [{"content-range", "0-2"}],
  -%%     tracer:start(Worker),
  -%%     tracer:trace_calls(cdmi_object_handler, put_binary),
  -%%     tracer:trace_calls(onedata_file_api, create),
  -%%     tracer:trace_calls(cdmi_metadata),
  -%%     tracer:trace_calls(cdmi_streamer, write_body_to_file),
  -%%     tracer:trace_calls(onedata_file_api, write),
  -%%     tracer:trace_calls(onedata_file_api, open),
  -%%     tracer:trace_calls(cdmi_arg_parser),
  -%%     tracer:trace_calls(cowboy_req, body),
       {ok, Code4, _Headers4, _Response4} =
           do_request(Worker, FullName,
               put, [?USER_1_TOKEN_HEADER | RequestHeaders4], UpdateValue),
  -%%     tracer:stop(),
       ?assertEqual("204",Code4),
   
       ?assert(object_exists(Config, FullName)),
  
positive.code: create_file(Config, Path) ->
      [Worker | _] = ?config(op_worker_nodes, Config),
      SessionId = ?config({session_id, 1}, Config),
  
      {ok, Mode} = application:get_env(?APP_NAME, default_file_mode).
  
      case lfm_proxy:create(Worker, SessionId,
              utils:ensure_unicode_binary("/" ++ Path), Mode)of
  
negative.code:     %%---- value update, http error ------
      UpdateValue = <<"123">>,
      RequestHeaders5 = [{"content-range", "0-2,3-4"}],
      {ok, Code5, _Headers5, _Response5} =
          do_request(Worker, FullName, put, [?USER_1_TOKEN_HEADER | RequestHeaders5],
              UpdateValue),
      ?assertEqual("400",Code5),
  
      ?assert(object_exists(Config, FullName)),
  