anchor.diff:  %% TEST CASES: delete b_tree order 512
   %%--------------------------------------------------------------------
   
  -delete_b_tree_order_612_test(_Config) ->
  +delete_b_tree_order_512_test(_Config) ->
       ?assertEqual(b_trees:empty(512), test_generator:delete_b_tree_from(512, ?NUMBER_ACTIONS, ?WIDTH)),
       ok.
   
  
positive.code:         largest_b_tree_order_64_test,
          largest_b_tree_order_128_test,
          largest_b_tree_order_256_test,
          largest_b_tree_order_612_test,
          largest_b_tree_order_1024_test,
  
          lookup_gb_tree_test,
  
negative.code:         take_largest_b_tree_order_64_test,
          take_largest_b_tree_order_128_test,
          take_largest_b_tree_order_256_test,
          take_largest_b_tree_order_512_test,
          take_largest_b_tree_order_1024_test,
  
          take_smallest_gb_tree_test,
  