code: def setUpClass(cls):
      algorithmic.TinyAlgo.setup_for_test()
  
file_path: tensor2tensor/tensor2tensor/utils/trainer_lib_test.py
imports: from __future__ import absolute_import
  from __future__ import division
  from __future__ import print_function
  import os
  from tensor2tensor.data_generators import algorithmic
  from tensor2tensor.models import transformer
  from tensor2tensor.utils import data_reader
  from tensor2tensor.utils import registry
  from tensor2tensor.utils import trainer_lib
  import tensorflow.compat.v1
  from tensorflow.compat.v1 import estimator
label_desc: Use image node_id 1 for calling the TrainerLibTest obj's underlying member method code with example usage: obj.setUpClass(cls) without return types