code: def __init__(self, *args, **kwargs):
      self._find_valid_server = MagicMock(return_value={})
      self.get_metastore_client = MagicMock(return_value=MagicMock())
      super().__init__()
  
imports: from __future__ import annotations
  from datetime import datetime
  from unittest.mock import MagicMock
  from airflow.models.dag import DAG
  from airflow.providers.apache.hive.hooks.hive import HiveCliHook, HiveMetastoreHook, HiveServer2Hook
  from airflow.providers.mysql.hooks.mysql import MySqlHook
label_desc: Use image node_id 1 to create a new MockHiveMetastoreHook object from inherited base classes: HiveMetastoreHook with example: obj = MockHiveMetastoreHook()