docstr: An empty 'cookie_samesite' should be corrected to 'Lax' with a deprecation warning.
docstr_tok: ["An","empty","'cookie_samesite","'","should","be","corrected","to","'Lax","'","with","a","deprecation","warning","."]
code: def test_correct_default_is_set_for_cookie_samesite(self):
      """An empty 'cookie_samesite' should be corrected to 'Lax' with a deprecation warning."""
      with pytest.deprecated_call():
          app = application.cached_app(testing=True)
      assert app.config["SESSION_COOKIE_SAMESITE"] == "Lax"
  
imports: from __future__ import annotations
  import hashlib
  import re
  import runpy
  import sys
  from datetime import timedelta
  from unittest import mock
  import pytest
  from werkzeug.routing import Rule
  from werkzeug.test import create_environ
  from werkzeug.wrappers import Response
  from airflow.exceptions import AirflowConfigException
  from airflow.www import app
  from tests.test_utils.config import conf_vars
  from tests.test_utils.decorators import dont_initialize_flask_app_submodules
label_desc: Use image node_id 7 for calling the TestApp obj's underlying member method code with example usage: obj.test_correct_default_is_set_for_cookie_samesite() without return types