@Test
    @LoadGraphWith(MODERN)
    public void g_V_matchXa_knows_count_bX_selectXbX() {
        final Traversal<Vertex, Long> traversal = get_g_V_matchXa_knows_count_bX_selectXbX();
        printTraversalForm(traversal);
        checkResults(Arrays.asList(0L, 0L, 0L, 0L, 0L, 2L), traversal);
        assertFalse(traversal.hasNext());
    }
@author Joshua Shinavier (http://fortytwo.net)
@author Marko A. Rodriguez (http://markorodriguez.com)
gremlin-test/src/main/java/org/apache/tinkerpop/gremlin/process/traversal/step/map/MatchTest.java