public void TestCreateCalendar()
{
SqlCalendar sql = new SqlCalendar();
int expected = sql.CalendarList().Count + 1;
sql.CreateCalendar(2000, 1);
int actual = sql.CalendarList().Count;
Assert.Equal(expected, actual);
IEnumerable <ClassCalendar> query =
from elem in sql.CalendarList()
where elem.Year == 2000 && elem.Month == 1 && elem.Status.StatusId == 1
select elem;
Assert.Single(query);
}