code: def test_to_cugraph_conversion():
      g = dgl.graph(
          (F.tensor([0, 1, 2, 3]), F.tensor([1, 0, 3, 2]))
      ).to("cuda")
      cugraph_g = g.to_cugraph()
  
      assert cugraph_g.number_of_nodes() == g.num_nodes()
      assert cugraph_g.number_of_edges() == g.num_edges()
  
      assert cugraph_g.has_edge(0, 1)
      assert cugraph_g.has_edge(1, 0)
      assert cugraph_g.has_edge(3, 2)
  
imports: import cugraph
  import backend
  import dgl
label_desc: Use image node_id 2 for calling a global function with example usage: test_to_cugraph_conversion() without return types