anchor.diff:                           [#{<<"name">> => <<"ae.epoch.system.**">>,
                               <<"actions">> => <<"log">>},
                             #{<<"name">> => <<"ae.epoch.aecore.**">>,
  -                            <<"actions">> => <<"log,send">>}]}},
  +                            <<"actions">> => <<"log,send">>}]},
  +              <<"chain">> => #{<<"persist">> => true}},
       Config2 = aec_metrics_test_utils:make_port_map([dev1, dev2, dev3], Config1),
       aecore_suite_utils:create_configs(Config2, DefCfg, [{add_peers, true}]),
       aecore_suite_utils:make_multi(Config2),
  
positive.code: 
  restart_node(Nr, Config) ->
      Dev = lists:nth(Nr, proplists:get_value(devs, Config)),
      aecore_suite_utils:stop_node(Dev, Config),
      T0 = os:timestamp(),
      aecore_suite_utils:start_node(Dev, Config),
      N = aecore_suite_utils:node_name(Dev),
  
negative.code: 
  stop_devs(Config) ->
      Devs = proplists:get_value(devs, Config, []),
      lists:foreach(
          fun(Node) ->
              {ok, DbCfg} = node_db_cfg(Node), 
              aecore_suite_utils:stop_node(Node, Config),
              aecore_suite_utils:delete_node_db_if_persisted(DbCfg)
          end,
          Devs),
      ok.
  
  init_per_testcase(_Case, Config) ->
  