code: def setUp(self):
      config = testing_data_config("images", "Prostate_T2W_AX_1")
      download_url_or_skip_test(
          url=config["url"],
          filepath=FILE_PATH,
          hash_val=config.get("hash_val"),
          hash_type=config.get("hash_type", "sha256"),
      )
  
imports: from __future__ import annotations
  import os
  import unittest
  import numpy
  import torch
  from parameterized import parameterized
  from torch.autograd import gradcheck
  from monai.config.deviceconfig import USE_COMPILED
  from monai.networks.blocks.warp import Warp
  from monai.transforms import LoadImaged
  from monai.utils import GridSampleMode, GridSamplePadMode
  from tests.utils import SkipIfBeforePyTorchVersion, SkipIfNoModule, download_url_or_skip_test, skip_if_quick, testing_data_config
label_desc: Use image node_id 1 for calling the TestWarp obj's underlying member method code with example usage: obj.setUp() without return types