code: def setUp(self):
      if IS_SANDCASTLE or IS_MACOS or IS_FBCODE:
          raise unittest.SkipTest(
              "non-portable load_library call used in test"
          )
      lib_file_path = find_library_location("libtorchbind_test.so")
      if IS_WINDOWS:
          lib_file_path = find_library_location("torchbind_test.dll")
      torch.ops.load_library(str(lib_file_path))
  
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 1 for calling the TestTorchbind obj's underlying member method code with example usage: obj.setUp() without return types