code: def setUp(self):
      super(Caltech101Test, self).setUp()
      caltech101_dataset_builder._TRAIN_POINTS_PER_CLASS = 1
  
imports: from tensorflow_datasets import testing
  from tensorflow_datasets.datasets.caltech101 import caltech101_dataset_builder
label_desc: Use image node_id 1 for calling the Caltech101Test obj's underlying member method code with example usage: obj.setUp() without return types