code: def test_stop_instance(self, hook, create_instance_args, capsys):
      hook.conn.create_notebook_instance(**create_instance_args)
      resp = hook.conn.stop_notebook_instance(
          NotebookInstanceName=INSTANCE_NAME
      )
      assert resp["ResponseMetadata"]["HTTPStatusCode"] == 200
  
imports: from __future__ import annotations
  from typing import Generator
  from unittest import mock
  import pytest
  from moto import mock_sagemaker
  from airflow.providers.amazon.aws.hooks.sagemaker import SageMakerHook
  from airflow.providers.amazon.aws.operators.sagemaker import SageMakerCreateNotebookOperator, SageMakerDeleteNotebookOperator, SageMakerStartNoteBookOperator, SageMakerStopNotebookOperator
label_desc: Use image node_id 4 for calling the TestSageMakerHook obj's underlying member method code with example usage: obj.test_stop_instance(hook, create_instance_args, capsys) without return types