anchor.diff:          end),
       receive
           {Pid, Result} -> Result
  -    after timer:seconds(60) ->
  +    after Timeout ->
           {error, test_timeout}
       end.
   
  
positive.code: 
  -spec close_all(node()) -> ok.
  close_all(Worker) ->
      ?EXEC(Worker,
          begin
              lists:foreach(fun({_, Handle}) ->
                  logical_file_manager:fsync(Handle),
  
negative.code:             end, ets:tab2list(lfm_handles)),
              true = ets:delete_all_objects(lfm_handles),
              ok
          end, timer:minutes(5)).
  
  -spec read(node(), logical_file_manager:handle(), integer(), integer()) ->
      {ok, binary()} | logical_file_manager:error_reply().
  