private static void TestCalendar(ICalendar calendar)
{
DateTime testDate = new DateTime(17, 2, 2021);
var isDayWeekend = calendar.IsDayWeekend(testDate);
var isLeapYear = calendar.IsLeapYear(testDate);
var nameFromDate = calendar.GetDayNameFromDate(testDate);
var daysFromMonth = calendar.GetDaysFromMonthDate(testDate);
Console.WriteLine($"\nCalendarType: {calendar.GetCalendarType()}\n");
Console.WriteLine($"Your date - {testDate}\n\n nameFromDate: {nameFromDate}\n daysFromMonth: {daysFromMonth}\n isDayWeekend: {isDayWeekend}\n isLeapYear: {isLeapYear}\n");
}