public void setUp() throws Exception {
MemoryBackend memoryBackend = new MemoryBackend();
writeableServer = new MongoServer(memoryBackend);
writeClient = new MongoClient(new ServerAddress(writeableServer.bind()));
mongoServer = new MongoServer(new ReadOnlyProxy(memoryBackend));
readOnlyClient = new MongoClient(new ServerAddress(mongoServer.bind()));
}