@Test
@LoadGraphWith(LoadGraphWith.GraphData.CLASSIC)
public void shouldReadWriteVerticesNoEdgesToKryoManual() throws Exception {
try (final ByteArrayOutputStream os = new ByteArrayOutputStream()) {
final KryoWriter writer = KryoWriter.build().custom(graphProvider.createConfiguredGremlinKryo()).create();
writer.writeVertices(os, g.V().has("age", Compare.gt, 30));
final AtomicInteger called = new AtomicInteger(0);
final KryoReader reader = KryoReader.build()
.custom(graphProvider.createConfiguredGremlinKryo())
.workingDirectory(File.separator + "tmp").create();