code: def test_should_raises_403_unauthorized(self):
      response = self.client.get(
          "/api/v1/config/section/smtp/option/smtp_mail_from",
          headers={"Accept": "application/json"},
          environ_overrides={"REMOTE_USER": "test_no_permissions"},
      )
  
      assert response.status_code == 403
  
imports: from __future__ import annotations
  import textwrap
  from unittest.mock import patch
  import pytest
  from airflow.security import permissions
  from tests.test_utils.api_connexion_utils import assert_401, create_user, delete_user
  from tests.test_utils.config import conf_vars
label_desc: Use image node_id 8 for calling the TestGetValue obj's underlying member method code with example usage: obj.test_should_raises_403_unauthorized() without return types