anchor.diff:      Envs = [os:getenv(?PERFORMANCE_ENV_VARIABLE),
           os:getenv(?STRESS_ENV_VARIABLE), os:getenv(?STRESS_NO_CLEARING_ENV_VARIABLE)],
       not lists:member("true", Envs).
  +
  +%%--------------------------------------------------------------------
  +%% @doc
  +%% Checks if current run is stress test.
  +%% @end
  +%%--------------------------------------------------------------------
  +-spec is_stress_test() -> boolean().
  +is_stress_test() ->
  +    Envs = [os:getenv(?STRESS_ENV_VARIABLE), os:getenv(?STRESS_NO_CLEARING_ENV_VARIABLE)],
  +    lists:member("true", Envs).
   
   %%--------------------------------------------------------------------
   %% @doc
  
positive.code: -include_lib("ctool/include/test/performance.hrl").
  -include_lib("common_test/include/ct.hrl").
  
  -export([around_advice/4, is_standard_test/0, stress_test/1, should_clear/1]).
  
  -type proplist() :: [{Key :: atom(), Value :: term()}].
  
  
negative.code:         _ ->
              exec_ct_config(SuiteName, CaseName, CaseArgs, DefaultParams)
      end.
  
  %%--------------------------------------------------------------------
  %% @private
  