public void AddWeakHandler_WhenCrossSubscriptions_NotAlives()
{
var handlers = new List <WeakEventHandler <EventArgs> >();
WeakHelpers.ExecuteAndCollect(() =>
{
var pubsub1 = new Subscriber();
var pubsub2 = new Subscriber();
handlers.Add(pubsub2.AddWeakHandler <EventArgs>(nameof(Publisher.Event), pubsub1.OnEventRaised));
handlers.Add(pubsub1.AddWeakHandler <EventArgs>(nameof(Publisher.Event), pubsub2.OnEventRaised));
});
Assert.IsTrue(handlers.Any((a) => !a.IsAlive));
}