code: def test_drop_partition(
      self, get_metastore_client_mock, table_exist_mock
  ):
      metastore_mock = get_metastore_client_mock.return_value
      table_exist_mock.return_value = True
      ret = self.hook.drop_partitions(
          self.table, db=self.database, part_vals=[DEFAULT_DATE_DS]
      )
      table_exist_mock.assert_called_once_with(
          self.table, self.database
      )
      assert metastore_mock.drop_partition(
          self.table, db=self.database, part_vals=[DEFAULT_DATE_DS]
      ), ret
  
imports: from __future__ import annotations
  import pytest
  from airflow import PY311
  import datetime
  import itertools
  from collections import namedtuple
  from unittest import mock
  import pandas
  from hmsclient import HMSClient
  from airflow.exceptions import AirflowException
  from airflow.models.connection import Connection
  from airflow.models.dag import DAG
  from airflow.providers.apache.hive.hooks.hive import HiveCliHook, HiveMetastoreHook, HiveServer2Hook
  from airflow.secrets.environment_variables import CONN_ENV_PREFIX
  from airflow.utils import timezone
  from airflow.utils.operator_helpers import AIRFLOW_VAR_NAME_FORMAT_MAPPING
  from tests.providers.apache.hive import BaseMockConnectionCursor, InvalidHiveCliHook, MockHiveCliHook, MockHiveServer2Hook, MockSubProcess
  from tests.test_utils.asserts import assert_equal_ignore_multiple_spaces
label_desc: Use image node_id 20 for calling the TestHiveMetastoreHook obj's underlying member method code with example usage: obj.test_drop_partition(get_metastore_client_mock, table_exist_mock) without return types