@Test
    public void shouldHandleDuration() throws Exception  {
        final Duration o = Duration.ZERO;
        assertEquals(o, serializeDeserialize(mapper, o, Duration.class));
    }
@author Stephen Mallette (http://stephen.genoprime.com)
gremlin-core/src/test/java/org/apache/tinkerpop/gremlin/structure/io/graphson/GraphSONMapperEmbeddedTypeTest.java