code: def test_ill_shape(self):
      loss = GeneralizedDiceFocalLoss()
      with self.assertRaisesRegex(ValueError, ""):
          loss(torch.ones((1, 2, 3)), torch.ones((1, 1, 2, 3)))
  
file_path: MONAI/tests/test_generalized_dice_focal_loss.py
imports: from __future__ import annotations
  import unittest
  import numpy
  import torch
  from monai.losses import FocalLoss, GeneralizedDiceFocalLoss, GeneralizedDiceLoss
  from tests.utils import test_script_save
label_desc: Use image node_id 3 for calling the TestGeneralizedDiceFocalLoss obj's underlying member method code with example usage: obj.test_ill_shape() without return types