code: def test_response_all(self):
      response = self.client.get(
          "/api/v1/dagWarnings",
          environ_overrides={"REMOTE_USER": "test"},
      )
  
      assert response.status_code == 200
      response_data = response.json
      assert len(response_data["dag_warnings"]) == 2
      assert response_data == {
          "dag_warnings": ANY,
          "total_entries": 2,
      }
  
imports: from __future__ import annotations
  from unittest.mock import ANY
  import pytest
  from airflow.models.dag import DagModel
  from airflow.models.dagwarning import DagWarning
  from airflow.security import permissions
  from airflow.utils.session import create_session
  from tests.test_utils.api_connexion_utils import assert_401, create_user, delete_user
  from tests.test_utils.db import clear_db_dag_warnings, clear_db_dags
label_desc: Use image node_id 6 for calling the TestGetDagWarningEndpoint obj's underlying member method code with example usage: obj.test_response_all() without return types