@Test
    public void shouldMakeNewInstance() {
        final GryoMapper.Builder b = GryoMapper.build();
        assertNotSame(b, GryoMapper.build());
    }
@author Stephen Mallette (http://stephen.genoprime.com)
gremlin-core/src/test/java/org/apache/tinkerpop/gremlin/structure/io/gryo/GryoMapperTest.java