{"increment_by_key", false, (test_callback_fn*)increment_by_key_test },
{"increment_with_initial_by_key", true, (test_callback_fn*)increment_with_initial_by_key_test },
{"decrement_by_key", false, (test_callback_fn*)decrement_by_key_test },
{"increment_by_key", false, (test_callback_fn*)increment_by_key_test },
{"increment_with_initial_by_key", true, (test_callback_fn*)increment_with_initial_by_key_test },
{"decrement_by_key", false, (test_callback_fn*)decrement_by_key_test },