code: def setUpClass(cls):
      cls._test_saved_model = _create_test_saved_model()
  
imports: import os
  import tempfile
  import numpy
  import tensorflow
  from tensorflow_transform.saved import saved_transform_io
  from tensorflow.core.protobuf import meta_graph_pb2
  from tensorflow.python.lib.io import file_io
  from tensorflow.python.ops import lookup_ops
label_desc: Use image node_id 1 for calling the SavedTransformIOTest obj's underlying member method code with example usage: obj.setUpClass(cls) without return types