code: def test_groupby_agg_redirect(aggregations):
      pdf = pd.DataFrame(
          {
              "x": np.random.randint(0, 5, size=10000),
              "y": np.random.normal(size=10000),
          }
      )
  
      gdf = cudf.DataFrame.from_pandas(pdf)
  
      ddf = dask_cudf.from_cudf(gdf, npartitions=5)
  
      a = ddf.groupby("x").agg({"x": aggregations[0]}).compute()
      b = ddf.groupby("x").agg({"x": aggregations[1]}).compute()
  
      dd.assert_eq(a, b)
  
imports: import numpy
  import pandas
  import pytest
  import dask
  from dask import dataframe
  from dask.utils_test import hlg_layer
  import cudf
  import dask_cudf
  from dask_cudf.groupby import OPTIMIZED_AGGS, _aggs_optimized
label_desc: Use image node_id 23 for calling a global function with example usage: test_groupby_agg_redirect(aggregations) without return types