code: def tearDownClass(cls):
      pass
  
imports: import os
  import unittest
  import numpy
  import tensorflow
  import tensorlayer
  from tensorlayer.layers import *
  from tensorlayer.models import *
  from tests.utils import CustomTestCase
label_desc: Use image node_id 2 for calling the Layer_DorefaDense_Test obj's underlying member method code with example usage: obj.tearDownClass(cls) without return types