anchor.diff:          undefined ->
               Config;
           {Peer, _Node} ->
  -            peer:stop(Peer),
  +            ok = peer:stop(Peer),
               {save_config, proplists:delete(node, Config)}
       end.
   
  
positive.code:     [{testcase, Case}|Config].
  
  end_per_testcase(Case, Config) ->
      erlang:display({end_per_testcase, Case}),
      try rpc(Config, fun() ->
                              get_stable_check_io_info(),
  
negative.code: %% Merge return from erlang:system_info(check_io)
  %% as if it was one big pollset.
  get_check_io_total(ChkIo) ->
      ct:log("ChkIo = ~p (~p)~n",[ChkIo, nodes()]),
      {Fallback, Rest} = get_fallback(ChkIo),
      OnlyPollThreads = [PS || PS <- Rest, not is_scheduler_pollset(PS)],
      add_fallback_infos(Fallback,
  