@Override
        public Traversal<Vertex, Map<String, Vertex>> get_g_V_asXaX_outXcreatedX_asXbX_order_byXshuffleX_selectXa_bX() {
            return g.V().as("a").out("created").as("b").order().by(Order.shuffle).select("a", "b");
        }
@author Marko A. Rodriguez (http://markorodriguez.com)
@author Stephen Mallette (http://stephen.genoprime.com)
gremlin-test/src/main/java/org/apache/tinkerpop/gremlin/process/traversal/step/map/OrderTest.java