anchor.diff:      FType = proplists:get_value(ftype, Config),
       OldConf = get_rep_upd_config(Method),
       Conf = lists:keyreplace(rr_max_items, 1, OldConf, {rr_max_items, 500}),    
  -    [Start, End] = start_sync(Config, 4, 1000, [{fprob, 100}, {ftype, FType}], 
  +    {Start, End} = start_sync(Config, 4, 1000, [{fprob, 100}, {ftype, FType}], 
                                 1, 0.1, Conf),
       ?assert(sync_degree(Start) < sync_degree(End)).
   
  
positive.code:     EndStat = get_db_status(),
      %clean up
      unittest_helper:stop_ring(),
      [InitDBStat, EndStat].
  
  -spec print_status(Round::integer(), db_generator:db_status()) -> ok.
  print_status(R, {_, _, M, O}) ->
  
negative.code:     unittest_helper:init_per_suite(Config).
  
  end_per_suite(Config) ->
      erlang:erase(?DBSizeKey),
      crypto:stop(),
      _ = unittest_helper:end_per_suite(Config),
      ok.
  