code: def setUpClass(cls):
      cls.evadb = get_evadb_for_testing()
      cls.evadb.catalog().reset()
      video_file_path = create_sample_video(NUM_FRAMES)
      load_query = f"LOAD VIDEO '{video_file_path}' INTO MyVideo;"
      execute_query_fetch_all(cls.evadb, load_query)
      load_functions_for_testing(cls.evadb, mode="debug")
  
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 1 for calling the ExplainExecutorTest obj's underlying member method code with example usage: obj.setUpClass(cls) without return types