class_docstr: This class tests the crypten.models package.
code: def setUp(self) -> None:
      super().setUp()
      crypten.init()
  
imports: import unittest
  import crypten
  import torch
  import torchvision
  from test.multiprocess_test_case import MultiProcessTestCase
label_desc: Use image node_id 1 for calling the TestModels obj's underlying member method code with example usage: obj.setUp() without return types