public void GetMonthRangesTest()
{
Enumerable
.Range(1, PeriodCount)
.RunEach(i => {
var monthRanges = TimeTool.GetMonthRanges(startTime, i, TimeCalendar.NewEmptyOffset());
var start = startTime.StartTimeOfMonth();
monthRanges.Start.Should().Be(start);
monthRanges.End.Should().Be(start.AddMonths(i));
monthRanges.MonthCount.Should().Be(i);
});
}