class_docstr: Tests for tao dataset.
code: def setUpClass(cls):
      tao.Tao.BUILDER_CONFIGS = [
          tao.TaoConfig(
              name="test_config",
              description="All images are bilinearly resized to 28 X 42",
              height=28,
              width=42,
          ),
      ]
      super().setUpClass()
  
imports: import tensorflow
  import tensorflow_datasets.public_api
  from tensorflow_datasets.video.tao import tao
label_desc: Use image node_id 1 for calling the TaoTest obj's underlying member method code with example usage: obj.setUpClass(cls) without return types