anchor.diff:  
   
   check_restart_listener() ->
  -    Handlers1 = gen_event:which_handlers(config_event),
  -    ?assert(lists:member(?HANDLER, Handlers1)),
  -
  -    gen_event:delete_handler(config_event, ?HANDLER, testing),
  -
  -    Handlers2 = gen_event:which_handlers(config_event),
  -    ?assert(not lists:member(?HANDLER, Handlers2)),
  -
  +    ?assertNotEqual(not_found, get_handler()),
  +    gen_event:delete_handler(config_event, get_handler(), testing),
  +    ?assertEqual(not_found, get_handler()),
       timer:sleep(1000),
  -
  -    Handlers3 = gen_event:which_handlers(config_event),
  -    ?assert(lists:member(?HANDLER, Handlers3)).
  +    ?assertNotEqual(not_found, get_handler()).
   
   
   check_ignore_non_log() ->
  
positive.code:         end)
      end,
      ?assertError(config_change_timeout, Run()).
  
negative.code: -include_lib("eunit/include/eunit.hrl").
  
  
  couch_log_config_test_() ->
      {setup,
          fun couch_log_test_util:start/0,
  