code: def test_getting_invalid_attr(self):
      for attr in ["__origin__", "__self__"]:
          with self.assertRaisesRegexWithHighlight(
              AttributeError,
              f"Invalid attribute '{attr}' for '_OpNamespace' '_test'",
              "",
          ):
              getattr(torch.ops._test, attr)
  
imports: import os
  import sys
  import unittest
  import torch
  from torch.testing._internal.jit_utils import JitTestCase
label_desc: Use image node_id 2 for calling the TestCustomOperators obj's underlying member method code with example usage: obj.test_getting_invalid_attr() without return types