anchor.diff:  %% Tests
   %% ----------------------------------------------------------------------
   groups() ->
  -    Tests = [seed_transmission, leech_transmission, seed_leech,
  +    Tests = [find_local_peers,
  +             seed_transmission, leech_transmission, seed_leech,
                partial_downloading, udp_seed_leech, bep9,
                down_udp_tracker, checking, choked_reject],
   %   [{main_group, [shuffle], Tests}].
  
positive.code:     clean_standard_directory_layout(LNodeDir),
      stop_opentracker(?config(tracker_port, Config)),
      ok;
  end_per_testcase(bep9, Config) ->
      SNode       = ?config(seed_node, Config),
      LNode       = ?config(leech_node, Config),
  
negative.code: enable_dht(AppConfig) ->
      [{dht, true}|AppConfig].
  
  enable_mdns(AppConfig) ->
      [{mdns, true}|AppConfig].
  
  %% Returns true, if files are equal.
  compare_file_contents(Fn1, Fn2) ->
  