code: def test_concat_singleton_sorting(
      axis, sort, ignore_index, singleton_concat_obj
  ):
      gobj = gd.from_pandas(singleton_concat_obj)
      gconcat = gd.concat(
          [gobj], axis=axis, sort=sort, ignore_index=ignore_index
      )
      pconcat = pd.concat(
          [singleton_concat_obj],
          axis=axis,
          sort=sort,
          ignore_index=ignore_index,
      )
      assert_eq(pconcat, gconcat)
  
imports: from decimal import Decimal
  import numpy
  import pandas
  import pytest
  import cudf
  from cudf.api.types import is_categorical_dtype
  from cudf.core._compat import PANDAS_GE_150, PANDAS_LT_140
  from cudf.core.dtypes import Decimal32Dtype, Decimal64Dtype, Decimal128Dtype
  from cudf.testing._utils import assert_eq, assert_exceptions_equal
label_desc: Use image node_id 48 for calling a global function with example usage: test_concat_singleton_sorting(axis, sort, ignore_index, singleton_concat_obj) without return types