public async Task CreatesAndSendsCNotification()
        {
            string barName  = "Bar";
            string cityName = "City";
            int    userId   = 1;

            var options = TestUtilities.GetOptions(nameof(CreatesAndSendsCNotification));

            using (var arrangeContext = new CocktailDatabaseContext(options))
            {
                arrangeContext.Users.Add(new User()
                {
                    City = cityName, Id = userId
                });
                arrangeContext.SaveChanges();
            }

            using (var actContext = new CocktailDatabaseContext(options))
            {
                var sut = new NotificationService(actContext);
                await sut.CityNotificationAsync(barName, cityName);
            }

            using (var assertContext = new CocktailDatabaseContext(options))
            {
                var user = assertContext.Users.Include(p => p.Notifications).First();
                Assert.IsNotNull(user.Notifications.FirstOrDefault());
            }
        }