code: def test_load_func_model_with_error(self, patches):
      patches.mock_open.side_effect = [
          mock.mock_open(read_data=self.mock_manifest).return_value
      ]
      handler = "dummy_func_model_service:wrong"
      with pytest.raises(
          ValueError, match=r"Expected only one class .*"
      ):
          self.model_loader.load(
              self.model_name, self.model_dir, handler, 0, 1
          )
  
imports: import importlib
  import inspect
  import os
  import sys
  import types
  from collections import namedtuple
  import mock
  import pytest
  from ts.model_loader import ModelLoaderFactory, TsModelLoader
  from ts.model_service.model_service import SingleNodeService
  from ts.torch_handler.request_envelope.json import JSONEnvelope
  from ts.utils.util import list_classes_from_module
label_desc: Use image node_id 5 for calling the TestLoadModels obj's underlying member method code with example usage: obj.test_load_func_model_with_error(patches) without return types