@Override
        public Traversal<Vertex, String> get_g_withSideEffectXk_nameX_V_order_byXvalueMap_selectXkX_unfoldX_name() {
            return g.withSideEffect("key","name").V().order().by(valueMap().select(select("key")).unfold()).values("name");
        }
Tests that cover lambda steps that are used in embedded cases.
gremlin-test/src/main/java/org/apache/tinkerpop/gremlin/process/traversal/step/LambdaStepTest.java