code: def tearDownClass(cls):
      shutdown_ray()
      execute_query_fetch_all(
          cls.evadb, f"DROP JOB IF EXISTS {cls.job_name};"
      )
  
file_path: evadb/test/integration_tests/short/test_create_job_executor.py
imports: import unittest
  from datetime import datetime
  from test.util import get_evadb_for_testing, shutdown_ray
  from evadb.executor.executor_utils import ExecutorError
  from evadb.server.command_handler import execute_query_fetch_all
label_desc: Use image node_id 3 for calling the CreateJobTest obj's underlying member method code with example usage: obj.tearDownClass(cls) without return types