anchor.diff:  
   stop_devs(Config) ->
       Devs = proplists:get_value(devs, Config, []),
  -    [ aecore_suite_utils:stop_node(Node, Config) || Node <- Devs ],
  +    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) ->
  
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:       [{devs, Devs}, {nodes, [aecore_suite_utils:node_tuple(Dev)
                                || Dev <- Devs]}
         | Config]).
  
  node_db_cfg(Node) ->
      {ok, DbCfg} = aecore_suite_utils:get_node_db_config(
                      fun(M, F, A)->
                          rpc:call(aecore_suite_utils:node_name(Node),
                                    M, F, A, 5000)
                      end),
      {ok, DbCfg}.
  