anchor.diff:          ],
   
       i("start (socket) owner evaluator"),
  -    Owner = evaluator_start("owner", OwnerSeq, InitState),
  +    #ev{pid = Pid} = Owner = evaluator_start("owner", OwnerSeq, InitState),
   
       i("start tester evaluator"),
  -    TesterInitState = #{owner => Owner},
  +    TesterInitState = #{owner => Pid},
       Tester = evaluator_start("tester", TesterSeq, TesterInitState),
   
       i("await evaluator"),
  
positive.code: api_b_open_and_close_udp4(doc) ->
      [];
  api_b_open_and_close_udp4(_Config) when is_list(_Config) ->
      tc_try(api_b_open_and_close_udp4,
             fun() ->
                     InitState = #{domain   => inet,
  
negative.code:     tc_try(sc_cpe_socket_cleanup_tcp6,
             fun() ->
                     not_yet_implemented(),
                     ?TT(?SECS(5)),
                     InitState = #{domain   => inet6,
                                   type     => stream,
                                   protocol => tcp},
  