def getCliInstance():
	global _dbcli
	if not _dbcli:
		_dbcli = DatabaseHelper()
	return _dbcli
def test_base_class_init_raises_error(self):
        with self.assertRaisesRegex(
            NotImplementedError,
            'Subclasses of BaseVoiceoverApplication should implement '
            '__init__.'):
            suggestion_registry.BaseVoiceoverApplication()