* and stop setting default values in python operator code, so defaults can be set at the server side.

This issue is just for the PR and questions from maintainers. 
tests/providers/yandex/operators/test_yandexcloud_dataproc.py
operator = DataprocDeleteClusterOperator(
            task_id='delete_cluster',
            connection_id=CONNECTION_ID,
        )
        context = {'task_instance': MagicMock()}
        context['task_instance'].xcom_pull.return_value = 'my_cluster_id'
        operator.execute(context)
        context['task_instance'].xcom_pull.assert_called_once_with(key='cluster_id')
        delete_cluster_mock.assert_called_once_with('my_cluster_id')
    @patch('airflow.providers.yandex.hooks.yandex.YandexCloudBaseHook._get_credentials')
    @patch('airflow.hooks.base.BaseHook.get_connection')
    @patch('yandexcloud._wrappers.dataproc.Dataproc.create_hive_job')
    def test_create_hive_job_operator(self, create_hive_job_mock, *_):