@Override
        public Traversal<Vertex, String> get_g_V_name_order() {
            return g.V().<String>values("name").order();
        }
@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