anchor.diff:          ?equals_w_note(TestQ, Q, 
                          io_lib:format("Quadrants=~p~nKey=~w~nQuadrant=~w~nCheckQuadrant=~w", 
                                        [QI, Key, Q, TestQ])).
  +
   tester_get_key_quadrant(_) ->
       _ = [prop_get_key_quadrant(Key) || Key <- ?RT:get_replica_keys(?MINUS_INFINITY)],
       tester:test(?MODULE, prop_get_key_quadrant, 1, 4, [{threads, 4}]).
  
positive.code:      {rr_trigger, trigger_periodic},
       {rr_trigger_interval, 100000000}, %stop trigger
       {rr_recon_method, Method},
       {rr_bloom_fpr, 0.1},
  	 {rr_trigger_probability, 100},
       {rr_max_items, 10000},
  
negative.code:      blobCoding,
       tester_get_key_quadrant,
       tester_mapInterval,
       tester_minKeyInInterval
      ].
  
  repair_tests() ->
      [no_diff,        % ring is not out of sync e.g. no outdated or missing replicas
  