@Test
public void testUnfixForEmptyNamespace() {

    CuratorFramework client = CuratorFrameworkFactory.builder().namespace("").retryPolicy(new RetryOneTime(1)).connectString("foo").build();
    CuratorFrameworkImpl clientImpl = (CuratorFrameworkImpl) client;
    Assert.assertEquals(clientImpl.unfixForNamespace("/foo/bar"), "/foo/bar");
    CloseableUtils.closeQuietly(client);
}