def test_transaction_objects_mapped_for_all_models(db, default_namespace):
 assert set(HasRevisions.__subclasses__()).issubset(transaction_objects().values())

def test_transaction_objects_mapped_for_all_models ( db , default_namespace ) : assert set ( HasRevisions . __subclasses__ ( ) ) . issubset ( transaction_objects ( ) . values ( ) )
test that all subclasses of hasrevisions are mapped by the transaction_objects() function .