anchor.diff:      %% Use hyparview.
       Manager = partisan_hyparview_peer_service_manager,
   
  -    %% Start nodes.
  -    ClientNumber = 11,
  +    %% Start clients,.
  +    Clients = client_list(11),
  +
  +    %% Start servers.
  +    Servers = [server],
   
       Nodes = start(hyparview_manager_low_active_test, Config,
                     [{partisan_peer_service_manager, Manager},
  -                   {client_number, ClientNumber}]),
  +                   {servers, Servers},
  +                   {clients, Clients}]),
   
       %% Pause for clustering.
       timer:sleep(9000),
  
positive.code:     %% Start nodes.
      MaxActiveSize = 3,
  
      Nodes = start(hyparview_manager_low_active_test, Config,
                    [{partisan_peer_service_manager, Manager},
                     {max_active_size, MaxActiveSize},
                     {client_number, ?CLIENT_NUMBER}]),
  
      %% Pause for clustering.
      timer:sleep(4000),
  
negative.code:     %% Load lager.
      {ok, _} = application:ensure_all_started(lager),
  
      Servers = proplists:get_value(servers, Options, []),
      Clients = proplists:get_value(clients, Options, []),
  
      NodeNames = lists:flatten(Servers ++ Clients),
  
      %% Start all nodes.
      InitializerFun = fun(Name) ->
                              ct:pal("Starting node: ~p", [Name]),
  