anchor.diff:  %% TEST CASES: map b_tree order 512
   %%--------------------------------------------------------------------
   
  -map_b_tree_order_612_test(Config) ->
  -    _BTree = ?config(b_tree_612, Config),
  -    _BTreeNew = ?config(b_tree_612_new, Config),
  +map_b_tree_order_512_test(Config) ->
  +    _BTree = ?config(b_tree_512, Config),
  +    _BTreeNew = ?config(b_tree_512_new, Config),
       ?assertEqual(_BTreeNew, b_trees:map(fun map_value_to_new/2, _BTree)),
       ok.
   
  
positive.code:         values_b_tree_order_64_test,
          values_b_tree_order_128_test,
          values_b_tree_order_256_test,
          values_b_tree_order_612_test,
          values_b_tree_order_1024_test
      ].
  
  
negative.code:         lookup_b_tree_order_64_test,
          lookup_b_tree_order_128_test,
          lookup_b_tree_order_256_test,
          lookup_b_tree_order_512_test,
          lookup_b_tree_order_1024_test,
  
          map_gb_tree_test,
  