anchor.diff:                          {error, _} ->
                               true;
                           _ ->
  -                            debug("node postcondition for ~p, operation succeeded, should have failed.", [Fun]),
  +                            postcondition_debug("node postcondition for ~p, operation succeeded, should have failed.", [Fun]),
                               false
                       end;
                   false ->
  
positive.code:                            {num_nodes, ?NUM_NODES},
                             {cluster_nodes, ?CLUSTER_NODES}]),
  
      lager:info("Started nodes: ~p", [Nodes]),
  
      %% Insert all nodes into group for all nodes.
      true = ets:insert(?MODULE, {nodes, Nodes}),
  
negative.code: -define(COMMAND_MULTIPLE, 10).
  -define(CLUSTER_NODES, true).
  -define(MANAGER, partisan_pluggable_peer_service_manager).
  
  %% Debug.
  -define(DEBUG, true).
  -define(INITIAL_STATE_DEBUG, false).
  -define(PRECONDITION_DEBUG, false).
  -define(POSTCONDITION_DEBUG, false).
  
  %% Partisan connection and forwarding settings.
  -define(EGRESS_DELAY, 0).                           %% How many milliseconds to delay outgoing messages?
  