code: def test_repo_not_found(self):
      with self.assertRaisesRegex(
          EnvironmentError,
          "bert-base is not a local folder and is not a valid model identifier",
      ):
          _ = AutoFeatureExtractor.from_pretrained("bert-base")
  
imports: import json
  import sys
  import tempfile
  import unittest
  from pathlib import Path
  from transformers import CONFIG_MAPPING, FEATURE_EXTRACTOR_MAPPING, AutoConfig, AutoFeatureExtractor, Wav2Vec2Config, Wav2Vec2FeatureExtractor
  from transformers.testing_utils import DUMMY_UNKNOWN_IDENTIFIER, get_tests_dir
  from test_module.custom_configuration import CustomConfig
  from test_module.custom_feature_extraction import CustomFeatureExtractor
label_desc: Use image node_id 5 for calling the AutoFeatureExtractorTest obj's underlying member method code with example usage: obj.test_repo_not_found() without return types