public void BeforeDST()
        {
            var ctrl = new CnDTimeInput();
            ctrl.SelectedDateTime = new DateTime(2015, 10, 24, 0, 0, 0, DateTimeKind.Local).ToUniversalTime();
            ctrl.OnTimeChanged(TimeSpan.FromHours(10));

            Assert.That(ctrl.SelectedDateTime, Is.EqualTo(new DateTime(2015, 10, 24, 8, 0, 0, DateTimeKind.Utc)));
        }
        public void DSTWinter()
        {
            var ctrl = new CnDTimeInput();
            ctrl.SelectedDateTime = new DateTime(2015, 10, 25, 0, 0, 0, DateTimeKind.Local).ToUniversalTime();
            ctrl.IsSummerPeriod = false;
            ctrl.OnTimeChanged(TimeSpan.FromMinutes(150)); // Add 2h30

            var expected = new DateTime(2015, 10, 25, 1, 30, 0, DateTimeKind.Utc);

            Assert.That(ctrl.SelectedDateTime, Is.EqualTo(expected));
        }