public void KAAusfall_ThursdayHolidayFriday()
        {
            var sut = new CoronaService(config, fService);
            var res = sut.KAAusfallPerDay(new DateTime(2020, 5, 22));

            res.Should().Be(0);
        }
        public void KAAusfall_NormalWeekFriday2()
        {
            var sut = new CoronaService(config, fService);
            var res = sut.KAAusfallPerDay(new DateTime(2020, 5, 15));

            res.Should().Be(5.7m);
        }
        public void KAAusfall_FridayHolidayWeekDay()
        {
            var sut = new CoronaService(config, fService);
            var res = sut.KAAusfallPerDay(new DateTime(2020, 4, 27));

            res.Should().Be(1.925m);
        }
        public void KAAusfall_NormalWeekWeekDay()
        {
            var sut = new CoronaService(config, fService);
            var res = sut.KAAusfallPerDay(new DateTime(2020, 4, 22));

            res.Should().Be(0.5m);
        }