code: def test_poke_running(self, mock_check_query_status):
      assert not self.sensor.poke(None)
  
file_path: airflow/tests/providers/amazon/aws/sensors/test_emr_containers.py
imports: from __future__ import annotations
  from unittest import mock
  import pytest
  from airflow.exceptions import AirflowException, TaskDeferred
  from airflow.providers.amazon.aws.hooks.emr import EmrContainerHook
  from airflow.providers.amazon.aws.sensors.emr import EmrContainerSensor
  from airflow.providers.amazon.aws.triggers.emr import EmrContainerTrigger
label_desc: Use image node_id 4 for calling the TestEmrContainerSensor obj's underlying member method code with example usage: obj.test_poke_running(mock_check_query_status) without return types