class_docstr: ArrowIOTensorTest
class_docstr_tok: ["ArrowIOTensorTest"]
docstr: setUpClass
code: def setUpClass(cls):  # pylint: disable=invalid-name
      """setUpClass"""
      super().setUpClass()
      cls.scalar_shapes = tuple(
          tf.TensorShape([len(c)]) for c in cls.scalar_data
      )
      cls.list_fixed_shapes = tuple(
          tf.TensorShape([len(c), len(c[0])])
          for c in cls.list_fixed_data
      )
  
imports: from collections import namedtuple
  import io
  import os
  import socket
  import tempfile
  import threading
  import pytest
  import pyarrow
  import numpy.testing
  import tensorflow
  import tensorflow_io
label_desc: Use image node_id 1 for calling the ArrowIOTensorTest obj's underlying member method code with example usage: obj.setUpClass(cls) without return types