code: def test_create_using_dask(dask_client, dataset):
      G = dataset.get_dask_graph(download=True)
      assert not G.is_directed()
      G = dataset.get_dask_graph(download=True, create_using=Graph)
      assert not G.is_directed()
      G = dataset.get_dask_graph(
          download=True, create_using=Graph(directed=True)
      )
      assert G.is_directed()
  
      # using a non-Graph type should raise an error
      with pytest.raises(TypeError):
          dataset.get_dask_graph(download=True, create_using=set)
  
imports: import os
  import gc
  from pathlib import Path
  from tempfile import TemporaryDirectory
  import pandas
  import pytest
  import cudf
  import dask_cudf
  from cugraph.structure import Graph
  from cugraph.testing import RAPIDS_DATASET_ROOT_DIR_PATH, ALL_DATASETS, WEIGHTED_DATASETS, SMALL_DATASETS, BENCHMARKING_DATASETS
  from cugraph import datasets
  from cugraph.dask.common.mg_utils import is_single_gpu
label_desc: Use image node_id 21 for calling a global function with example usage: test_create_using_dask(dask_client, dataset) without return types