anchor.diff:      wait_for(fun () -> api_vm:number_of_nodes() == Size end).
   
   wait_for_correct_ring() ->
  -    wait_for(fun () -> admin:check_ring() end).
  +    wait_for(fun () -> admin:check_ring() == ok end).
   
   
   get_dht_node_state(Pid, What) ->
  
positive.code: %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
  
  test_single_join(_Config) ->
      api_vm:add_nodes(1),
      wait_for_ring_size(2),
      wait_for_correct_ring(),
  
negative.code:         true ->
              ok;
          false ->
              wait_for(F);
          X ->
              ct:pal("error in wait_for ~p", [X]),
              wait_for(F)
      end.
  
  