code: def setUp(self):
      self.orig_wrapper_cls = self.DummyTestModel.wrapper_cls
  
file_path: ClassyVision/test/models_classy_block_test.py
imports: import unittest
  import torch
  import torch.nn
  from classy_vision.heads import ClassyHead
  from classy_vision.models import ClassyModel, ClassyModelHeadExecutorWrapper, ClassyModelWrapper
label_desc: Use image node_id 1 for calling the TestClassyBlock obj's underlying member method code with example usage: obj.setUp() without return types