@Test
    public void shouldHandleYearMonth() throws Exception  {
        final YearMonth o = YearMonth.now();
        assertEquals(o, serializeDeserialize(o, YearMonth.class));
    }
@author Stephen Mallette (http://stephen.genoprime.com)
gremlin-core/src/test/java/org/apache/tinkerpop/gremlin/structure/io/gryo/GryoMapperTest.java