code: def test_get_access_denied(self):
      new_role = Role(name="Dummy Role", permissions=[])
      db.session.add(new_role)
      db.session.commit()
      unauth_user = self.create_user(
          "unauth_user1",
          "password",
          "Dummy Role",
          email=f"unauth_user1@superset.org",
      )
      self.login(username="unauth_user1", password="password")
      rv = self.client.get("/api/v1/sqllab/")
  
      assert rv.status_code == 403
  
      db.session.delete(unauth_user)
      db.session.delete(new_role)
      db.session.commit()
  
imports: import datetime
  import json
  import random
  import csv
  import pandas
  import io
  import pytest
  import prison
  from sqlalchemy.sql import func
  from unittest import mock
  from flask_appbuilder.security.sqla.models import Role
  from tests.integration_tests.test_app import app
  from superset import db, sql_lab
  from superset.common.db_query_status import QueryStatus
  from superset.models.core import Database
  from superset.utils.database import get_example_database, get_main_database
  from superset.utils import core
  from superset.models.sql_lab import Query
  from tests.integration_tests.base_tests import SupersetTestCase
  from tests.integration_tests.fixtures.users import create_gamma_sqllab_no_data
label_desc: Use image node_id 4 for calling the TestSqlLabApi obj's underlying member method code with example usage: obj.test_get_access_denied() without return types