anchor.diff:  
   init_per_group(Name, Config) ->
       case ?util:name(Name) of
  -        [R,D,A,C,SD,CD] ->
  -            G = #group{client_service = [$C|?util:unique_string()],
  +        [T,R,D,A,C,SD,CD] ->
  +            G = #group{transport = T,
  +                       client_service = [$C|?util:unique_string()],
                          client_encoding = R,
                          client_dict0 = dict0(D),
                          client_strings = CD,
  
positive.code: end_per_group(_, _) ->
      ok.
  
  init_per_testcase(Name, Config) ->
      [{testcase, Name} | Config].
  
  end_per_testcase(_, _) ->
      ok.
  
negative.code: %% ===========================================================================
  
  suite() ->
      [{timetrap, {seconds, 10}}].
  
  all() ->
      [start, result_codes, {group, traffic}, outstanding, empty, stop].
  
  groups() ->
      Ts = tc(),
      Sctp = ?util:have_sctp(),
      [{?util:name([R,D,A,C]), [parallel], Ts} || R <- ?ENCODINGS,
                                                  D <- ?RFCS,
                                                  A <- ?ENCODINGS,
                                                  C <- ?CONTAINERS]
          ++
          [{?util:name([T,R,D,A,C,SD,CD]),
            [],
            [start_services,
             add_transports,
  