code: def test_ill_opts(self):
      pred = torch.rand(1, 3, 5, 5, 5).to(device=device)
      with self.assertRaisesRegex(ValueError, ""):
          BendingEnergyLoss(reduction="unknown")(pred)
      with self.assertRaisesRegex(ValueError, ""):
          BendingEnergyLoss(reduction=None)(pred)
  
file_path: MONAI/tests/test_bending_energy.py
imports: from __future__ import annotations
  import unittest
  import numpy
  import torch
  from parameterized import parameterized
  from monai.losses.deform import BendingEnergyLoss
label_desc: Use image node_id 3 for calling the TestBendingEnergy obj's underlying member method code with example usage: obj.test_ill_opts() without return types