anchor.diff:  
   all() -> [
             test_link_slowing,
  -          test_link_slowing2
  -          %test_interleaving    Fix in progress...
  +          test_link_slowing2,
  +          test_interleaving
            ].
   
   suite() -> [ {timetrap, {seconds, 400}} ].
  
positive.code:         [_A] -> ok;
          _ ->
              ct:fail("More than two different values/rounds! ~nprbr data:~n~p", [PrbrData])
      end.
  
  %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
  %% Helper functions
  
negative.code:     remove_slow_link(LinkC),
      receive {message_received} -> ok end,
  
      ct:pal("PRBR state after interleaved operations: ~n~p", [prbr_data()]),
      %% Test that there aren't two different values
      %% with the same write round.
      PrbrData = prbr_w_rounds_with_values(),
      ValList = lists:usort(lists:flatten(PrbrData)),
      case ValList of
          [A, B] ->
              ?compare_w_note(fun(E1, E2) -> element(1, E1) =/= element(1, E2) end,
  