@Test
@LoadGraphWith(LoadGraphWith.GraphData.CLASSIC)
public void shouldReadWriteVerticesNoEdgesToGraphSONManual() throws Exception {
try (final ByteArrayOutputStream os = new ByteArrayOutputStream()) {
final GraphSONWriter writer = GraphSONWriter.build().customModule(graphProvider.createConfiguredGraphSONModule()).create();
writer.writeVertices(os, g.V().has("age", Compare.gt, 30));
final AtomicInteger called = new AtomicInteger(0);
final GraphSONReader reader = GraphSONReader.build().customModule(graphProvider.createConfiguredGraphSONModule()).create();
final BufferedReader br = new BufferedReader(new InputStreamReader(new ByteArrayInputStream(os.toByteArray())));
String line = br.readLine();