code: def test_torchbind_instantiate_missing_class(self):
      with self.assertRaisesRegex(
          RuntimeError,
          "Tried to instantiate class 'foo.IDontExist', but it does not exist!",
      ):
          torch.classes.foo.IDontExist(3, 4, 5)
  
imports: import io
  import os
  import sys
  import copy
  import unittest
  import torch
  from typing import Optional
  from torch.testing._internal.jit_utils import JitTestCase
  from torch.testing._internal.common_utils import IS_FBCODE, IS_MACOS, IS_SANDCASTLE, IS_WINDOWS, find_library_location
  from torch.testing import FileCheck
label_desc: Use image node_id 22 for calling the TestTorchbind obj's underlying member method code with example usage: obj.test_torchbind_instantiate_missing_class() without return types