code: def setUpClass(cls):
      super().setUpClass()
      cls._saved_config = config.save_config()
  
imports: import math
  import unittest
  import torch
  from torch._dynamo.test_case import run_tests, TestCase
  from torch._inductor import config
  from torch.testing._internal.inductor_utils import HAS_CPU
label_desc: Use image node_id 1 for calling the TestInductorConfig obj's underlying member method code with example usage: obj.setUpClass(cls) without return types