code: def test_ade20k_dataset(self):
      assert_is_semantic_segmentation_dataset(
          self.dataset,
          len(ade20k_semantic_segmentation_label_names),
          n_example=10,
      )
  
file_path: chainercv/tests/datasets_tests/ade20k_tests/test_ade20k.py
imports: import numpy
  import unittest
  from chainer import testing
  from chainer.testing import attr
  from chainercv.datasets import ade20k_semantic_segmentation_label_names
  from chainercv.datasets import ADE20KSemanticSegmentationDataset
  from chainercv.datasets import ADE20KTestImageDataset
  from chainercv.utils import assert_is_semantic_segmentation_dataset
  from chainercv.utils.testing.assertions.assert_is_image import assert_is_image
label_desc: Use image node_id 2 for calling the TestADE20KSemanticSegmentationDataset obj's underlying member method code with example usage: obj.test_ade20k_dataset() without return types