anchor.diff:  find_existing_test() ->
       {ok, _Server} = start_link(),
       
  +    Id = kanaloa_guid_server:new_guid(),
       Pid = get_sample_pid(),
  -    {ok, Id} = kanaloa_guid_server:register(Pid),
  +    ok = kanaloa_guid_server:register_new(Pid, Id),
       {ok, ReceivedPid} = kanaloa_guid_server:find(Id),
       
       ?assertEqual(Pid, ReceivedPid),
  
positive.code: remove_on_death_test() ->
      {ok, _Server} = start_link(),
      
      Pid = get_sample_pid(),
      {ok, Id} = kanaloa_guid_server:register(Pid),
      {ok, ReceivedPid} = kanaloa_guid_server:find(Id),
      ?assertEqual(Pid, ReceivedPid),
      
  
negative.code: find_multiple_existing_test() ->
      {ok, _Server} = start_link(),
      
      Id1 = kanaloa_guid_server:new_guid(),
      Pid1 = get_sample_pid(),
      ok = kanaloa_guid_server:register_new(Pid1, Id1),
  
      Id2 = kanaloa_guid_server:new_guid(),
      Pid2 = get_sample_pid(),
      ok = kanaloa_guid_server:register_new(Pid2, Id2),
  
      Id3 = kanaloa_guid_server:new_guid(),
      Pid3 = get_sample_pid(),
      ok = kanaloa_guid_server:register_new(Pid3, Id3),
  
      {ok, ReceivedPid1} = kanaloa_guid_server:find(Id1),
      {ok, ReceivedPid2} = kanaloa_guid_server:find(Id2),
  