anchor.diff:                            {ok, _CommPid} = sup:sup_start(
                                                {local, no_name},
                                                sup_comm_layer, []),
  -                          Port = unittest_helper:get_scalaris_port(),
  +                          Port = get_scalaris_port(),
                             comm_server:set_local_address({127,0,0,1}, Port);
                         false -> ok
                     end
  
positive.code: -spec start_minimal_procs(CTConfig, ConfigOptions::[{atom(), term()}],
                            StartCommServer::boolean()) -> CTConfig when is_subtype(CTConfig, list()).
  start_minimal_procs(CTConfig, ConfigOptions, StartCommServer) ->
      ok = unittest_helper:fix_cwd(),
      {Pid, _} =
          start_process(
            fun() ->
                    {ok, _GroupsPid} = pid_groups:start_link(),
                    {priv_dir, PrivDir} = lists:keyfind(priv_dir, 1, CTConfig),
                    ConfigOptions2 = unittest_helper:prepare_config(
                                       [{config, [{log_path, PrivDir} | ConfigOptions]}]),
                    {ok, _ConfigPid} = config:start_link(ConfigOptions2),
                    {ok, _LogPid} = log:start_link(),
  
negative.code:             error_logger:tty(false),
              log:set_log_level(none),
              exit(Pid, kill),
              stop_pid_groups(),
              error_logger:tty(true);
          false -> ok
      end.
  