public async Task CanUpdateScheduledShift()
        {
            var before = await _shiftRepository.GetScheduledShift(1);

            var change = await _shiftRepository.GetScheduledShift(1);

            change.EndsAt = new DateTime(2001, 1, 1, 8, 0, 0);
            await _shiftRepository.UpdateScheduledShift(change);

            var after = await _shiftRepository.GetScheduledShift(1);

            Assert.AreEqual(after.EndsAt, change.EndsAt);
        }