code: def tearDownClass(cls):
      shutdown_ray()
  
      file_remove("dummy.avi")
      execute_query_fetch_all(
          cls.evadb, """DROP TABLE IF EXISTS table1;"""
      )
      execute_query_fetch_all(
          cls.evadb, """DROP TABLE IF EXISTS table2;"""
      )
      execute_query_fetch_all(
          cls.evadb, """DROP TABLE IF EXISTS table3;"""
      )
      execute_query_fetch_all(
          cls.evadb, "DROP TABLE IF EXISTS MyVideo;"
      )
      execute_query_fetch_all(
          cls.evadb, "DROP TABLE IF EXISTS MemeImages;"
      )
  
imports: import unittest
  from test.util import create_dummy_batches, create_sample_video, create_table, file_remove, get_evadb_for_testing, load_functions_for_testing, shutdown_ray
  import numpy
  import pandas
  import pytest
  from evadb.configuration.constants import EvaDB_ROOT_DIR
  from evadb.models.storage.batch import Batch
  from evadb.readers.decord_reader import DecordReader
  from evadb.server.command_handler import execute_query_fetch_all
label_desc: Use image node_id 2 for calling the SelectExecutorTest obj's underlying member method code with example usage: obj.tearDownClass(cls) without return types