Duration.create(500, TimeUnit.MILLISECONDS));
new JavaTestKit(getSystem()) {{
final ActorRef shard = getSystem().actorOf(Shard.props(SHARD_IDENTIFIER,
Duration.create(500, TimeUnit.MILLISECONDS));
new JavaTestKit(getSystem()) {{
final ActorRef shard = getSystem().actorOf(Shard.props(SHARD_IDENTIFIER,