code: def test_load_default_dataset(self):
      return self._test_load_dataset(True, False, False)
  
imports: import copy
  import random
  import string
  from typing import TYPE_CHECKING, Any, Dict, Tuple, Union
  from unittest import TestCase
  from datasets import DatasetDict
  from transformers import AutoConfig, AutoFeatureExtractor, AutoTokenizer
  from optimum.utils.preprocessing import TaskProcessorsManager
label_desc: Use image node_id 10 for calling the TaskProcessorTestBase obj's underlying member method code with example usage: obj.test_load_default_dataset() and returns: self