@Test
    public void shouldCreateAnIoBuilderforGryo() {
        assertThat(IoCore.gryo(), instanceOf(GryoIo.Builder.class));
    }
@author Stephen Mallette (http://stephen.genoprime.com)
gremlin-core/src/test/java/org/apache/tinkerpop/gremlin/structure/io/IoCoreTest.java