public void GetNewNotificationsWithArtist_NotificationForADifferentUser_ShouldNotBeReturned()
        {
            var notification = Notification.GigCanceled(new Gig());
            var user         = new ApplicationUser()
            {
            };

            var userNotification = new UserNotification(user, notification)
            {
            };

            _mockUserNotifications.SetSource(new[] { userNotification });

            var userNotifications = _repository.GetNewNotificationsWithArtist("2");

            userNotifications.Should().BeEmpty();
        }