anchor.diff:  request_info() ->
       binary(1).
   
  -stdout(Format, Args) ->
  -    Direct = erlang:open_port({fd, 0, 1}, [out, {line, 256}]),
  +stderr(Format, Args) ->
  +    Direct = erlang:open_port({fd, 0, 2}, [out, {line, 256}]),
       erlang:port_command(Direct, io_lib:format(Format, Args)),
       erlang:port_close(Direct),
       ok.
  
positive.code: end_per_testcase(TestCase, Config) ->
      error_logger:tty(true),
      error_logger:info_msg("~p end~n", [TestCase]),
      stdout("~p end\r\n", [TestCase]),
      Config.
  
  %%%------------------------------------------------------------------------
  
negative.code: 
  init_per_testcase(TestCase, Config) ->
      error_logger:info_msg("~p init~n", [TestCase]),
      stderr("\r\n~p init\r\n", [TestCase]),
      {ok, Services} = cloudi_service_api:services(infinity),
      lists:foreach(fun({ServiceId, _}) ->
          cloudi_service_api:services_remove([ServiceId], infinity)
  