@Test(expected = IllegalArgumentException.class)
public void testUnknwonRedisFacade() {

  JedisSessionRepositoryFactory factory = spy(new JedisSessionRepositoryFactory());
  SessionConfiguration sessionConfig = spy(new SessionConfiguration());
  RedisConfiguration config = spy(new RedisConfiguration(sessionConfig));
  config.clusterMode = "SOMETHING";
  factory.getRedisFacade(config);
}