test_ABC_has___slots__
test_abstractmethod_basics
test_all_new_methods_are_called
test_isinstance_invalidation
test_issubclass_bad_arguments
test_metaclass_abc
test_register_as_class_deco
test_register_non_class
test_registration_basics
test_registration_builtins
test_registration_edge_cases
test_registration_transitiveness
test_tricky_new_works
test_works_with_init_subclass
test_ABC_has___slots__
test_abstractmethod_basics
test_all_new_methods_are_called
test_isinstance_invalidation
test_issubclass_bad_arguments
test_metaclass_abc
test_register_as_class_deco
test_register_non_class
test_registration_basics
test_registration_builtins
test_registration_edge_cases
test_registration_transitiveness
test_tricky_new_works
test_works_with_init_subclass
