anchor.diff:  
   end_per_testcase(TestCase, Config)  ->
     application:stop(valvex),
  +  c:flush(),
     ?MODULE:TestCase({'end', Config}).
   
   all()      ->
  
positive.code:   ["Test that a locked queue has expected behaviour"];
  test_queue_lock_fifo(Config) when is_list(Config)   ->
    valvex:add_handler(valvex, valvex_message_event_handler, [self()]),
  
    valvex_queue:lock(valvex_queue_fifo_backend, test_fifo),
    receive
      {queue_locked, _} ->
  
negative.code:   ["Test that a tombstoned queue dies"];
  test_queue_tombstone_lifo(Config) when is_list(Config)   ->
    valvex:add_handler(valvex, valvex_message_event_handler, [self()]),
    FirstTestFun  = fun() ->
                        "First Test Complete"
                    end,
  