anchor.diff:  %% TEST CASES: performance to_list b_tree order 17
   %%--------------------------------------------------------------------
   
  -performance_to_list_b_tree_order_17_test(Config) ->
  +to_list_b_tree_order_17_test(Config) ->
       BTree = ?config(btree_17, Config),
       KeyValues = b_trees:to_list(BTree),
       ?assertEqual(?NUMBER_INSERTS, length(KeyValues)),
  
positive.code: %% TEST CASES: performance update b_tree order 65
  %%--------------------------------------------------------------------
  
  performance_update_b_tree_order_65_test(Config) ->
      BTree = ?config(btree_65, Config),
      KeyValuesUpdate = ?config(key_values_update, Config),
      update_b_tree(KeyValuesUpdate, BTree),
  
negative.code: %% TEST CASES: performance lookup b_tree order 513
  %%--------------------------------------------------------------------
  
  lookup_b_tree_order_513_test(Config) ->
      BTree = ?config(btree_513, Config),
      Keys = ?config(keys, Config),
      lookup_b_tree(Keys, BTree),
  