code: def mocked_hook_client():
      with mock.patch(
          "airflow.providers.amazon.aws.hooks.base_aws.AwsGenericHook.conn"
      ) as m:
          yield m
  
file_path: airflow/tests/providers/amazon/aws/hooks/test_emr_containers.py
imports: from __future__ import annotations
  from unittest import mock
  import pytest
  from airflow.providers.amazon.aws.hooks.emr import EmrContainerHook
label_desc: Use image node_id 1 for calling a global function with example usage: mocked_hook_client() without return types