anchor.diff:  -export([xm_sig_order/1,
            kill2killed/1,
            busy_dist_exit_signal/1,
  +         busy_dist_demonitor_signal/1,
            busy_dist_down_signal/1]).
   
   init_per_testcase(Func, Config) when is_atom(Func), is_list(Config) ->
  
positive.code:     [xm_sig_order,
       kill2killed,
       busy_dist_exit_signal,
       busy_dist_down_signal].
  
  
  
negative.code: %%
  %% -- Internal utils --------------------------------------------------------
  %%
  
  wait_until(Fun) ->
      case catch Fun() of
          true ->
              ok;
          _ ->
              receive after 10 -> ok end,
              wait_until(Fun)
      end.
  
  make_busy(OnNode, ToNode, Time) ->
      Parent = self(),
  