Can't configure async caches with new config builder

public void testReplAsyncWithQueue() {
      Configuration configuration = new ConfigurationBuilder()
         .clustering().cacheMode(CacheMode.REPL_ASYNC)
         .async().useReplQueue(true).replQueueInterval(1222)
         .build();
      org.infinispan.config.Configuration legacy = new LegacyConfigurationAdaptor().adapt(configuration);
   }

java.lang.IllegalStateException: Cannot configure a async for an sync cache. Set the cache mode to async first.
	at org.infinispan.configuration.cache.ClusteringConfigurationBuilder.async(ClusteringConfigurationBuilder.java:32)
	at org.infinispan.configuration.ConfigurationUnitTest.testReplAsyncWithQueue(ConfigurationUnitTest.java:81)