{
CuratorFramework client = CuratorFrameworkFactory.newClient(server.getConnectString(), new RetryOneTime(1));
client.start();
client.getZookeeperClient().blockUntilConnectedOrTimedOut();
client.create().creatingParentsIfNeeded().forPath("/parent/child", "A string".getBytes());
CuratorFramework client2 = client.usingNamespace("parent");
Assert.assertNotNull(client2.getData().forPath("/child"));
client.setACL().withACL(Collections.singletonList(
new ACL(ZooDefs.Perms.WRITE, ZooDefs.Ids.ANYONE_ID_UNSAFE))).