private EtcdClient client;
@Before
public void setUp() throws URISyntaxException {
String url = System.getProperty("etcd.url");
client = new EtcdClientImpl.Builder().baseUri(new URI(url)).responseReader(new GsonResponseReader()).build();
client.start();
try {
client.delete().dir().recursive().forKey("key");
} catch (EtcdException e) {
//ignore