code: def setUp(self):
      _reporter_calls = 0
      self.test_dir = tempfile.mkdtemp()
  
imports: import io
  import json
  import logging
  import shutil
  import tempfile
  from pathlib import Path
  from typing import Dict, Any
  from unittest import TestCase
  import toml
  from transfer_nlp.plugins.config import register_plugin, ExperimentConfig
  from transfer_nlp.plugins.reporters import ReporterABC
  from transfer_nlp.plugins.trainer_abc import TrainerABC
  from transfer_nlp.runner.experiment_runner import ExperimentRunner
label_desc: Use image node_id 1 for calling the ExperimentRunnerTest obj's underlying member method code with example usage: obj.setUp() without return types