code: def test_normalize_bcast_dims():
      from deepchem.utils.differentiation_utils import (
          normalize_bcast_dims,
      )
  
      assert normalize_bcast_dims([1, 2, 3], [2, 3]) == [
          [1, 2, 3],
          [1, 2, 3],
      ]
  
imports: import pytest
label_desc: Use image node_id 12 for calling a global function with example usage: test_normalize_bcast_dims() without return types