code: def test_from_dask_dataframe():
      np.random.seed(0)
      df = pd.DataFrame(
          {
              "x": np.random.randint(0, 5, size=20),
              "y": np.random.normal(size=20),
          }
      )
      ddf = dd.from_pandas(df, npartitions=2)
      dgdf = ddf.map_partitions(cudf.from_pandas)
      got = dgdf.compute().to_pandas()
      expect = df
  
      dd.assert_eq(got, expect)
  
imports: import random
  import cupy
  import numpy
  import pandas
  import pytest
  from packaging import version
  import dask
  from dask import dataframe
  from dask.dataframe.core import make_meta, meta_nonempty
  from dask.utils import M
  import cudf
  import dask_cudf
label_desc: Use image node_id 11 for calling a global function with example usage: test_from_dask_dataframe() without return types