public void Getting_a_child_that_exists_in_extraNames_Should_return_the_child()
{
var extraNameChild = new DummyActorRef(_rootActorPath / "extra");
var extraNames = new Dictionary<string, IInternalActorRef> { { "extra", extraNameChild } };
var props = Props.Create<GuardianActor>(new OneForOneStrategy(e => Directive.Stop));
var rootGuardianActorRef = new RootGuardianActorRef((ActorSystemImpl)Sys, props, _dispatcher, () => Sys.Mailboxes.CreateMailbox(props, null), ActorRefs.Nobody, _rootActorPath, _deadLetters, extraNames);
var actorRef = rootGuardianActorRef.GetSingleChild("extra");
Assert.Same(extraNameChild, actorRef);
}