code: def setup_method(self):
      args = {"owner": "airflow", "start_date": DEFAULT_DATE}
      self.dag = DAG("test_dag_id", default_args=args)
      db.merge_conn(
          Connection(
              conn_id="livyunittest",
              conn_type="livy",
              host="http://localhost:8998",
          )
      )
  
file_path: airflow/tests/providers/apache/livy/sensors/test_livy.py
imports: from __future__ import annotations
  from unittest.mock import patch
  import pytest
  from airflow.models import Connection
  from airflow.models.dag import DAG
  from airflow.providers.apache.livy.hooks.livy import BatchState, LivyHook
  from airflow.providers.apache.livy.sensors.livy import LivySensor
  from airflow.utils import db, timezone
label_desc: Use image node_id 1 for calling the TestLivySensor obj's underlying member method code with example usage: obj.setup_method() without return types