code: def mismatch_y_pred_and_y(self):
      with self.assertRaises(ValueError):
          compute_ssim_and_cs(
              y_pred=torch.randn(1, 1, 16, 8),
              y=torch.randn(1, 1, 16, 16),
              spatial_dims=2,
          )
  
file_path: MONAI/tests/test_ssim_metric.py
imports: from __future__ import annotations
  import unittest
  import torch
  from monai.metrics.regression import SSIMMetric, compute_ssim_and_cs
  from monai.utils import set_determinism
label_desc: Use image node_id 5 for calling the TestSSIMMetric obj's underlying member method code with example usage: obj.mismatch_y_pred_and_y() without return types