code: def test_incorrect_mode(self):
      with self.assertRaises(ValueError):
          with self.call_init(mode="srtgj"):
              pass
  
imports: import contextlib
  import os
  import time
  import unittest
  from abc import abstractmethod
  from io import StringIO
  from unittest.mock import Mock
  from neptune.exceptions import MetadataInconsistency, MissingFieldException, NeptuneOfflineModeFetchException, NeptuneSynchronizationAlreadyStoppedException, TypeDoesNotSupportAttributeException
label_desc: Use image node_id 2 for calling the AbstractExperimentTestMixin obj's underlying member method code with example usage: obj.test_incorrect_mode() without return types