@Test
    @LoadGraphWith(MODERN)
    public void g_VX2X_filterXage_gt_30X() {
        final  Traversal<Vertex, Vertex> traversal = get_g_VX1X_filterXage_gt_30X(convertToVertexId("josh"));
        printTraversalForm(traversal);
        assertTrue(traversal.hasNext());
        assertEquals(Integer.valueOf(32), traversal.next().<Integer>value("age"));
        assertFalse(traversal.hasNext());
    }
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