code: def tearDown(self) -> None:
      execute_query_fetch_all(
          self.evadb, "DROP TABLE IF EXISTS ImageGen;"
      )
  
file_path: evadb/test/unit_tests/test_dalle.py
imports: import unittest
  from io import BytesIO
  from test.util import get_evadb_for_testing
  from typing import List, Optional
  from unittest.mock import MagicMock, patch
  from PIL import Image
  from pydantic import AnyUrl, BaseModel
  from evadb.server.command_handler import execute_query_fetch_all
label_desc: Use image node_id 2 for calling the DallEFunctionTest obj's underlying member method code with example usage: obj.tearDown() without return types