anchor.diff:      MemUsage = Mem0 + ToAdd,
   
       ?assertMatch(ok, ?call(Worker1, ?MODULE, utilize_memory, [MemUsage, MemTarget], timer:minutes(10))),
  -    ?assertMatch(ok, test_utils:set_env(Worker2, ?APP_NAME, mem_to_clear_cache, MemTarget)),
  +    ?assertMatch(ok, test_utils:set_env(Worker2, ?WORKER_APP_NAME, mem_to_clear_cache, MemTarget)),
       [{_, Mem1}] = monitoring:get_memory_stats(),
       Mem1Node = ?call(Worker2, erlang, memory, [total]),
       ct:print("Mem1 ~p xxx ~p", [Mem1, Mem1Node]),
  
positive.code:     [Worker1, Worker2] = Workers = ?config(op_worker_nodes, Config),
      disable_cache_control_and_set_dump_delay(Workers, timer:seconds(5)), % Automatic cleaning may influence results
      lists:foreach(fun(W) ->
          ?assertEqual(ok, test_utils:set_env(W, ?APP_NAME, cache_to_disk_force_delay_ms, timer:seconds(10)))
      end, Workers),
  
      Key = <<"key">>,
  
negative.code: disable_cache_control_and_set_dump_delay(Workers, Delay) ->
      lists:foreach(fun(W) ->
          ?assertEqual(ok, gen_server:call({?NODE_MANAGER_NAME, W}, disable_cache_control)),
          ?assertEqual(ok, test_utils:set_env(W, ?WORKER_APP_NAME, cache_to_disk_delay_ms, Delay))
      end, Workers).
  
  for(1, F) ->
  