class_docstr: Test Cases for Pix3D Dataset implementation.
code: def setUp(self):  # pylint: disable=invalid-name
      super(Pix3dTest, self).setUp()
      self.builder.TRAIN_SPLIT_IDX = os.path.join(
          self.EXAMPLE_DIR, "pix3d_train.npy"
      )
      self.builder.TEST_SPLIT_IDX = os.path.join(
          self.EXAMPLE_DIR, "pix3d_test.npy"
      )
  
file_path: graphics/tensorflow_graphics/datasets/pix3d/pix3d_test.py
imports: from __future__ import absolute_import
  from __future__ import division
  from __future__ import print_function
  import os
  import tensorflow_datasets.public_api
  from tensorflow_graphics.datasets import pix3d
label_desc: Use image node_id 1 for calling the Pix3dTest obj's underlying member method code with example usage: obj.setUp() without return types