anchor.diff:      ok = redundant_1(Members, 2750001, 3000000),
   
       %% terminate
  +    timer:sleep(200),
       os:cmd("rm -rf queue"),
       os:cmd("rm ring_*"),
  -    [].
  +    ok.
   
   
   redundant_1(_, End, End) ->
  
positive.code:     end.
  
  
  redundant_1_test_() ->
      {timeout, 300, ?_assertEqual([], redundant())}.
  
  redundant() ->
      ?debugVal(start),
      %% prepare-1
      [] = os:cmd("epmd -daemon"),
      {ok, Hostname} = inet:gethostname(),
  
negative.code:             ?assertEqual(3, length(Nodes)),
              lists:foreach(fun({N, _}) ->
                                    ?assertEqual(true, lists:member(N, Members))
                            end, Nodes);
          _Error ->
              ?debugVal(_Error)
      end,
  