code: def test_auth_kerberos(mock_auth: Mock) -> None:
      from superset.db_engine_specs.trino import TrinoEngineSpec
  
      database = Mock()
  
      auth_params = {
          "service_name": "superset",
          "mutual_authentication": False,
          "delegate": True,
      }
      database.encrypted_extra = json.dumps(
          {"auth_method": "kerberos", "auth_params": auth_params}
      )
  
      params: dict[str, Any] = {}
      TrinoEngineSpec.update_params_from_encrypted_extra(
          database, params
      )
      connect_args = params.setdefault("connect_args", {})
      assert connect_args.get("http_scheme") == "https"
      mock_auth.assert_called_once_with(**auth_params)
  
imports: import copy
  import json
  from datetime import datetime
  from typing import Any, Optional
  from unittest.mock import Mock, patch
  import pandas
  import pytest
  from pytest_mock import MockerFixture
  from sqlalchemy import types
  from trino.sqlalchemy import datatype
  import superset.config
  from superset.constants import QUERY_CANCEL_KEY, QUERY_EARLY_CANCEL_KEY, USER_AGENT
  from superset.superset_typing import ResultSetColumnType, SQLAColumnType
  from superset.utils.core import GenericDataType
  from tests.unit_tests.db_engine_specs.utils import assert_column_spec, assert_convert_dttm
  from tests.unit_tests.fixtures.common import dttm
label_desc: Use image node_id 5 for calling a global function with example usage: test_auth_kerberos(mock_auth) without return types