anchor.diff:           dist_parallel_send/1,
            atom_roundtrip/1,
            unicode_atom_roundtrip/1,
  -         atom_roundtrip_r15b/1,
  +         atom_roundtrip_r16b/1,
            contended_atom_cache_entry/1,
            contended_unicode_atom_cache_entry/1,
            bad_dist_structure/1,
  
positive.code:      link_to_dead_new_node, applied_monitor_node,
       ref_port_roundtrip, nil_roundtrip, stop_dist,
       {group, trap_bif}, {group, dist_auto_connect},
       dist_parallel_send, atom_roundtrip, unicode_atom_roundtrip, atom_roundtrip_r15b,
       contended_atom_cache_entry, contended_unicode_atom_cache_entry,
       bad_dist_structure, {group, bad_dist_ext},
       start_epmd_false, epmd_module].
  
negative.code:     stop_node(Node),
      ok.
  
  atom_roundtrip_r16b(Config) when is_list(Config) ->
      case test_server:is_release_available("r16b") of
          true ->
              ct:timetrap({minutes, 6}),
              AtomData = unicode_atom_data(),
              verify_atom_data(AtomData),
              case start_node(Config, [], "r16b") of
                  {ok, Node} ->
                      do_atom_roundtrip(Node, AtomData),
                      stop_node(Node);
                  {error, timeout} ->
                      {skip,"Unable to start OTP R16B release"}
              end;
          false ->
              {skip,"No OTP R16B available"}
      end.
  
  unicode_atom_roundtrip(Config) when is_list(Config) ->
  