@Test
    @LoadGraphWith(MODERN)
    public void g_V_group_byXlabelX_byXname_order_byXdescX_foldX() {
        final Traversal<Vertex, Map<String, List<Vertex>>> traversal = get_g_V_group_byXlabelX_byXname_order_byXdescX_foldX();
        printTraversalForm(traversal);
        final Map<String, List<Vertex>> map = traversal.next();
        assertFalse(traversal.hasNext());
        assertEquals(2, map.size());
        List list = map.get("software");
        assertEquals(2, list.size());
        assertEquals("lop", list.get(1));
        assertEquals("ripple", list.get(0));
        list = map.get("person");
        assertEquals(4, list.size());
        assertEquals("josh", list.get(3));
        assertEquals("marko", list.get(2));
        assertEquals("peter", list.get(1));
        assertEquals("vadas", list.get(0));
    }
@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