public void CheckTimeZone(string timeZoneId, int expectedMoscowTimeOffset)
        {
            Assert.IsTrue(_timeService.CheckTimeZoneId(timeZoneId));

            var tz = _timeService.GetTimeZone(timeZoneId);

            Assert.That(tz.BaseUtcOffset.Hours - 3, Is.EqualTo(expectedMoscowTimeOffset));
        }