public void GetSupportedCulturesTest()
        {
            var timezones = new AppSupportedTimeZones();

            Assert.Equal(2, timezones.GetSupportedTimeZones().Length);
            Assert.Equal("GMT", timezones.GetSupportedTimeZones()[0]);
            Assert.Equal("CET", timezones.GetSupportedTimeZones()[1]);
        }