code: def test_result_backend_sqlalchemy_engine_options(self, mock_celery):
      import importlib
  
      # reload celery conf to apply the new config
      importlib.reload(default_celery)
      # reload celery_executor_utils to recreate the celery app with new config
      importlib.reload(celery_executor_utils)
  
      call_args = mock_celery.call_args.kwargs.get("config_source")
      assert "database_engine_options" in call_args
      assert call_args["database_engine_options"] == {
          "pool_recycle": 1800
      }
  
imports: from __future__ import annotations
  import contextlib
  import logging
  import os
  import signal
  import sys
  from datetime import datetime, timedelta
  from unittest import mock
  import celery.contrib.testing.tasks
  import pytest
  import time_machine
  from celery import Celery
  from celery.result import AsyncResult
  from kombu.asynchronous import set_event_loop
  from airflow.configuration import conf
  from airflow.models.baseoperator import BaseOperator
  from airflow.models.dag import DAG
  from airflow.models.taskinstance import TaskInstance, TaskInstanceKey
  from airflow.providers.celery.executors import celery_executor, celery_executor_utils, default_celery
  from airflow.providers.celery.executors.celery_executor import CeleryExecutor
  from airflow.utils import timezone
  from airflow.utils.state import State
  from tests.test_utils import db
  from tests.test_utils.config import conf_vars
label_desc: Use image node_id 13 for calling the TestCeleryExecutor obj's underlying member method code with example usage: obj.test_result_backend_sqlalchemy_engine_options(mock_celery) without return types