anchor.diff:      ping_nodes(lists:append(Ccms, Workers)),
       lists:append(Config, proplists:delete(dns, EnvDesc)).
   
  +%%--------------------------------------------------------------------
  +%% @doc
  +%% Checks connection with nodes..
  +%% @end
  +%%--------------------------------------------------------------------
  +-spec ping_nodes(Nodes :: list()) -> ok | no_return().
   ping_nodes(Nodes) ->
       ping_nodes(Nodes, 30).
   ping_nodes(_Nodes, 0) ->
  
positive.code: %% Starting and stoping nodes
  %% ====================================================================
  
  prepare_test_environment(Config, DescriptionFile) ->
      start_deps_for_tester_node(),
  
  
negative.code:         end
      end, "", Dockers),
      os:cmd("../deps/bamboos/docker/cleanup.py " ++ DockersStr),
      stop_deps_for_tester_node(),
      ok.
  
  %% start_test_nodes/1
  %% ====================================================================
  