code: def test_download_model_with_test_data(self) -> None:
      directory = hub.download_model_with_test_data("mnist")
      files = os.listdir(directory)
      self.assertIsInstance(directory, str)
      self.assertIn(
          member="model.onnx",
          container=files,
          msg="Onnx model not found",
      )
      self.assertIn(
          member="test_data_set_0",
          container=files,
          msg="Test data not found",
      )
  
file_path: onnx/onnx/test/hub_test.py
imports: import glob
  import os
  import unittest
  from os.path import join
  import pytest
  from onnx import ModelProto, hub
label_desc: Use image node_id 11 for calling the TestModelHub obj's underlying member method code with example usage: obj.test_download_model_with_test_data() without return types