anchor.diff:  
   delete_config(_Config) ->
     ok.
  +
  +%%-----------------------------mnesia_driver--------------------------
  +handle_msg(Config) ->
  +  mnesia_driver:handle_msg([<<"test@node">>, <<"module">>, <<"default">>, <<"12345678">>, {test, value}], [], []).
  +
   %%--------------------------------------------------------------------
   %%  only helper
   %%--------------------------------------------------------------------
  
positive.code:       {database,[]},
        {description,"Things Config Manager"}]}.
  
  create_message(Node, Module, Id, Body) ->
      [atom_to_binary(Node, utf8), atom_to_binary(Module, utf8), list_to_binary(Id), list_to_binary(integer_to_list(get_date_seconds())), Body].
  
  
negative.code:   ok = rpc:call(ct:get_config(node, Config), node_config, set_messages_file, ["messages.config", []]),
    ct:sleep(?SLEEP),
    Config;
  %%-----------------------------config_driver--------------------------
  init_per_testcase(copy_config, Config) ->
    ok = rpc:call(ct:get_config(node_1, Config), node_config, set_things_file, ["things.config", [get_config_driver(),get_thing_data()]]),  
  