FeatureCollectionType server = make(f("F1",162),f("F5",167),f("F4",169),f("F3",170),f("F2",157),f("F6",164));
    
    GeoserverClientSynchronizer synchronizer = new GeoserverClientSynchronizer(makeConfiguration(), "url", SimulatedRequestBuilder.POST_TEMPLATE);
    Map<Identifier, FeatureAccessor> clientMap = asMap(client);
    
    RequestBuilder builder = new SimulatedRequestBuilder(server);
    synchronizer.setRequestBuilder(builder);
    synchronizer.synchronize(clientMap);
    assertEquals(6, clientMap.size());
    assertEquals(0, synchronizer.getNumCreates());