code: def _init_hook(self):
      with patch(
          "airflow.hooks.base.BaseHook.get_connection"
      ) as get_connection_mock:
          get_connection_mock.return_value = self.connection
          self.hook = DataprocHook()
  
file_path: airflow/tests/providers/yandex/hooks/test_yandexcloud_dataproc.py
imports: from __future__ import annotations
  import json
  from unittest.mock import patch
  import pytest
  from airflow.models import Connection
label_desc: Use image node_id 1 for calling the TestYandexCloudDataprocHook obj's underlying member method code with example usage: obj._init_hook() without return types