@Test
    @LoadGraphWith(MODERN)
    public void g_V_out_count() {
        final Traversal<Vertex, Long> traversal = get_g_V_out_count();
        printTraversalForm(traversal);
        assertEquals(new Long(6), traversal.next());
        assertFalse(traversal.hasNext());
    }
@author Marko A. Rodriguez (http://markorodriguez.com)
gremlin-test/src/main/java/org/apache/tinkerpop/gremlin/process/traversal/step/map/CountTest.java