public void WaitEndWitoutComplete()
{
bool completed = false;
var tmp = new PushSubject <int>();
tmp.Subscribe((_) => { }, () => completed = true);
var returnedTask = tmp.ToTaskAsync();
Assert.IsFalse(returnedTask.IsCompleted, "The task shouldn't be completed");
Assert.IsFalse(returnedTask.Wait(1000), "The task should not complete");
Assert.IsFalse(completed, "complete should not be triggered");
}