def METHOD_NAME():
    broker = dr.Broker()
    broker["common"] = 3
    graph = dr.get_dependency_graph(stage3)
    graph.update(dr.get_dependency_graph(stage4))
    broker = dr.run(graph, broker)
    assert stage3 in broker.instances
    assert broker[stage3] == 3
    assert stage4 in broker.instances
    assert broker[stage4] == 3