anchor.diff:  %%--------------------------------------------------------------------
   -spec should_clear(Config :: list()) -> boolean().
   should_clear(Config) ->
  -    case ?config(clearing, Config) of
  -        false ->
  -            false;
  -        _ ->
  -            true
  -    end.
  +    ?config(clearing, Config) =/= false.
   
   %%%===================================================================
   %%% Internal functions
  
positive.code: 
  %%--------------------------------------------------------------------
  %% @doc
  %% Function checks if test is integration test (not performance or stress).
  %% @end
  %%--------------------------------------------------------------------
  -spec is_standard_test() -> boolean().
  
negative.code:     [{suite, Suite}] = ets:lookup(?STRESS_ETS_NAME, suite),
      [{cases, Cases}] = ets:lookup(?STRESS_ETS_NAME, cases),
      [{timeout, Timeout}] = ets:lookup(?STRESS_ETS_NAME, timeout),
      ct:timetrap({seconds, Timeout + 600}), % add 10 minutes to let running tests end
  
      lists:foldl(fun(Case, Ans) ->
          case apply(Suite, Case, [Config]) of
  