code: def test_column_size_mismatch():
      """
      Test that constructing a CA from columns of
      differing sizes throws an error.
      """
      with pytest.raises(ValueError):
          ColumnAccessor({"a": [1], "b": [1, 2]})
  
imports: import pandas
  import pytest
  import cudf
  from cudf.core.column_accessor import ColumnAccessor
  from cudf.testing._utils import assert_eq
label_desc: Use image node_id 10 for calling a global function with example usage: test_column_size_mismatch() without return types