anchor.diff:                                    {'function', <<"undefined">>}]}}
                                ]}),
   
  -    ?assertEqual(Expected, Data).
  +    ?assertEqual(<<Expected/binary,"\n">>, Data).
   
   format_2_with_extra_fields_test() ->
       Now = os:timestamp(),
  
positive.code:                                   {'function', <<"undefined">>}]}}
                               ]}),
  
      ?assertEqual(Expected, Data).
  
  format_3_test() ->
      Now = os:timestamp(),
  
negative.code: 
  format(Message, Config) ->
      Data = get_raw_data(Message, Config) ++ getvalue(extra_fields, Config, []),
      Msg = jiffy:encode({Data}),
      <<Msg/binary,"\n">>.
  
  utc_iso_datetime(Message) ->
      Ts = {_, _, Micro} = lager_msg:timestamp(Message),
  