anchor.diff:              tester_type_check_rrepair,
               tester_type_check_tx,
               tester_type_check_rdht_tx,
  +            tester_type_check_histogram,
               tester_type_check_util,
               tester_type_check_gossip,
               tester_type_check_mr
  
positive.code:         ],
      _ = [ tester:type_check_module(Mod, Excl, ExclPriv, Count)
            || {Mod, Excl, ExclPriv} <- Modules ],
      tester:unregister_type_checker({typedef, histogram, histogram}),
      tester:unregister_value_creator({typedef, histogram, histogram}),
  %% feeders are found automatically - sample explicit call would be:
  %%    tester:test(util, readable_utc_time, 1, 25, [with_feeder]),
  
  
negative.code:            ], []},
            %% {fix_queue, [], []}, %% queue as builtin type not supported yet
  
            {msg_queue, [], []},
            {pdb, [], []},
            {pid_groups,
  