def confirm(self, message, title=None, cancel=False, default=NO):

        return self.active_window.confirm(message, title, cancel, default)
Invoke list_size() with non-existent key
dataset/ETHPy150Open enthought/pyface/pyface/workbench/workbench.py/Workbench.confirm--crossover with--dataset/ETHPy150Open aerospike/aerospike-client-python/test/new_tests/test_list_size.py/TestListSize.test_neg_list_size_with_nonexistent_key