code: def test_poke_false_cluster(self):
      _create_db_cluster(self.hook)
      op = RdsDbSensor(
          task_id="cluster_poke_false",
          db_identifier=DB_CLUSTER_NAME,
          target_statuses=["stopped"],
          db_type=RdsDbType.CLUSTER,
          aws_conn_id=AWS_CONN,
          dag=self.dag,
      )
      assert not op.poke(None)
  
imports: from __future__ import annotations
  from moto import mock_rds
  from airflow.models import DAG
  from airflow.providers.amazon.aws.hooks.rds import RdsHook
  from airflow.providers.amazon.aws.sensors.rds import RdsBaseSensor, RdsDbSensor, RdsExportTaskExistenceSensor, RdsSnapshotExistenceSensor
  from airflow.providers.amazon.aws.utils.rds import RdsDbType
  from airflow.utils import timezone
label_desc: Use image node_id 6 for calling the TestRdsDbSensor obj's underlying member method code with example usage: obj.test_poke_false_cluster() without return types