code: def test_as_column_buffer(data, expected):
      actual_column = cudf.core.column.as_column(
          cudf.core.buffer.as_buffer(data), dtype=data.dtype
      )
      assert_eq(cudf.Series(actual_column), cudf.Series(expected))
  
imports: import cupy
  import numpy
  import pandas
  import pyarrow
  import pytest
  import cudf
  from cudf._lib.transform import mask_to_bools
  from cudf.core.column.column import as_column
  from cudf.testing._utils import assert_eq, assert_exceptions_equal
  from cudf.utils import dtypes
label_desc: Use image node_id 19 for calling a global function with example usage: test_as_column_buffer(data, expected) without return types