code: def test_SpatioTemporalClsPositionalEncoding_mismatch(self):
      # Mismatch in dimension for patch_embed_shape.
      with self.assertRaises(AssertionError):
          SpatioTemporalClsPositionalEncoding(
              embed_dim=16,
              patch_embed_shape=(1, 2),
          )
  
file_path: pytorchvideo/tests/test_layers_positional_encoding.py
imports: import itertools
  import math
  import unittest
  import torch
  from pytorchvideo.layers import PositionalEncoding, SpatioTemporalClsPositionalEncoding
label_desc: Use image node_id 6 for calling the TestPositionalEncoding obj's underlying member method code with example usage: obj.test_SpatioTemporalClsPositionalEncoding_mismatch() without return types