code: def setUp(self):
      self.root = download.get_dataset_directory(
          os.path.join("pfnet", "chainer", "svhn")
      )
  
file_path: chainer/tests/chainer_tests/datasets_tests/test_svhn.py
imports: import os
  import unittest
  import mock
  import numpy
  from chainer.dataset import download
  from chainer.datasets import get_svhn
  from chainer.datasets import tuple_dataset
  from chainer import testing
  from chainer.testing import attr
label_desc: Use image node_id 1 for calling the TestSvhn obj's underlying member method code with example usage: obj.setUp() without return types