@Test
    public void shouldStartWithSparqlUsingSacksAndEndWithGremlin() {
        final List<?> x = g.withSack(1.0f).sparql("SELECT * WHERE { }").repeat(
                (Traversal) outE().sack(mult).by("weight").inV()).times(2).sack().toList();
        assertThat(x, containsInAnyOrder(1.0, 0.4));
    }
@author Stephen Mallette (http://stephen.genoprime.com)
sparql-gremlin/src/test/java/org/apache/tinkerpop/gremlin/sparql/process/traversal/dsl/sparql/SparqlTraversalSourceTest.java