docstr: Set up the unit test by loading common utilities.
          
docstr_tok: ["Set","up","the","unit","test","by","loading","common","utilities","."]
code: def setUpClass(cls):
      """Set up the unit test by loading common utilities."""
      pass
  
file_path: MMdnn/tests/utils.py
imports: from __future__ import absolute_import
  from __future__ import print_function
  import os
  import unittest
  import numpy
label_desc: Use image node_id 1 for calling the CorrectnessTest obj's underlying member method code with example usage: obj.setUpClass(cls) without return types