code: def test_delete_pipeline_should_fail_if_status_409(
      self, mock_request, hook, caplog
  ):
      mock_request.side_effect = [
          MockResponse(
              status=409, data="Conflict: Resource is still in use."
          ),
          MockResponse(status=200, data="Success"),
      ]
      hook.delete_pipeline(
          pipeline_name=PIPELINE_NAME, instance_url=INSTANCE_URL
      )
  
      assert mock_request.call_count == 2
      assert "Conflict: Resource is still in use." in caplog.text
      mock_request.assert_called_with(
          url=f"{INSTANCE_URL}/v3/namespaces/default/apps/{PIPELINE_NAME}",
          method="DELETE",
          body=None,
      )
  
imports: from __future__ import annotations
  import json
  from unittest import mock
  import aiohttp
  import pytest
  from aiohttp.helpers import TimerNoop
  from yarl import URL
  from airflow.exceptions import AirflowException
  from airflow.providers.google.cloud.hooks.datafusion import DataFusionAsyncHook, DataFusionHook
  from airflow.providers.google.cloud.utils.datafusion import DataFusionPipelineType
  from tests.providers.google.cloud.utils.base_gcp_mock import mock_base_gcp_hook_default_project_id
label_desc: Use image node_id 19 for calling the TestDataFusionHook obj's underlying member method code with example usage: obj.test_delete_pipeline_should_fail_if_status_409(mock_request, hook, caplog) without return types