         // GIVEN: a notification with a sender
         let notification = Notification<Any?, AnyObject>(name: "NotificationName")
 
-        let expectation = self.expectationWithDescription("\(__FUNCTION__)")
+        let expectation = self.expectationWithDescription("\(#function)")
 
         // GIVEN: an observer
         let observer = NotificationObserver(notification: notification, handler: { (value, sender) in

        // GIVEN: a notification
        let notif = Notification<UserInfo, NotificationObserverTests>(name: "ExampleNotification", sender: self)

        let expect = self.expectationWithDescription("\(__FUNCTION__)")

        // GIVEN: an observer
        let observer = NotificationObserver(notification: notif, handler: { [weak self] (value, sender) in


        let sender = TestSender()
        let value = 666
        let expect = self.expectationWithDescription("\(#function)")

        // GIVEN: an observer
        let observer = NotificationObserver(notification: notif, handler: { (v, s) in
