@mock.patch('airflow.providers.google.cloud.hooks.bigquery.BigQueryHook.get_service')
def test_close(self, mock_get_service):
    bq_cursor = self.hook.get_cursor()
    result = bq_cursor.close()
    assert (result is None)
@mock.patch('airflow.providers.google.cloud.hooks.bigquery.BigQueryHook.get_service')
def test_close(self, mock_get_service):
    bq_cursor = self.hook.get_cursor()
    result = bq_cursor.close()
    assert (result is None)