text: from RDG import RDG, Node, Edge
  
  
  def test_load_locus_stop_update():
      g = RDG()
      g = RDG.Load(g, locus_name="GeneA", locus_start=0, locus_stop=10000)
      assert g.locus_stop == 10000
  
  
  def test_load_nodes():
      g = RDG()
      g = RDG.load_example(g)
      assert len(list(g.nodes.keys())) == 5