code: def tearDownClass(cls):
      file_remove("dummy.avi")
      execute_query_fetch_all(
          cls.evadb, "DROP TABLE IF EXISTS MyVideo;"
      )
  
file_path: evadb/test/integration_tests/long/test_explain_executor.py
imports: import unittest
  from test.util import create_sample_video, file_remove, get_evadb_for_testing, load_functions_for_testing
  import pytest
  from evadb.optimizer.plan_generator import PlanGenerator
  from evadb.optimizer.rules.rules import EmbedFilterIntoGet, LogicalInnerJoinCommutativity, XformLateralJoinToLinearFlow
  from evadb.optimizer.rules.rules_manager import RulesManager, disable_rules
  from evadb.server.command_handler import execute_query_fetch_all
label_desc: Use image node_id 2 for calling the ExplainExecutorTest obj's underlying member method code with example usage: obj.tearDownClass(cls) without return types