code: def test_show_examples_supervised(self, _):
      with testing.mock_data(num_examples=20):
          ds, ds_info = load.load(
              "imagenet2012",
              split="train",
              with_info=True,
              as_supervised=True,
          )
      visualization.show_examples(ds, ds_info)
  
file_path: datasets/tensorflow_datasets/core/visualization/show_examples_test.py
imports: from unittest import mock
  import numpy
  from tensorflow_datasets import testing
  from tensorflow_datasets.core import load
  from tensorflow_datasets.core import visualization
  from tensorflow_datasets.image_classification import imagenet
label_desc: Use image node_id 2 for calling the ShowExamplesTest obj's underlying member method code with example usage: obj.test_show_examples_supervised(_) without return types