code: def setup_method(self):
      with mock.patch(
          "airflow.providers.google.common.hooks.base_google.GoogleBaseHook.__init__",
          new=mock_init,
      ):
          self.kms_hook = CloudKMSHook(gcp_conn_id="test")
  
file_path: airflow/tests/providers/google/cloud/hooks/test_kms.py
imports: from __future__ import annotations
  from base64 import b64decode, b64encode
  from collections import namedtuple
  from unittest import mock
  import pytest
  from google.api_core.gapic_v1.method import DEFAULT
  from airflow.providers.google.cloud.hooks.kms import CloudKMSHook
  from airflow.providers.google.common.consts import CLIENT_INFO
label_desc: Use image node_id 2 for calling the TestCloudKMSHook obj's underlying member method code with example usage: obj.setup_method() without return types