code: def test_from_dict_backend_dispatch():
      # Test ddf.from_dict cudf-backend dispatch
      np.random.seed(0)
      data = {
          "x": np.random.randint(0, 5, size=10000),
          "y": np.random.normal(size=10000),
      }
      expect = cudf.DataFrame(data)
      with dask.config.set({"dataframe.backend": "cudf"}):
          ddf = dd.from_dict(data, npartitions=2)
      assert isinstance(ddf, dgd.DataFrame)
      dd.assert_eq(expect, ddf)
  
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 1 for calling a global function with example usage: test_from_dict_backend_dispatch() without return types