public void CalendarRepository_GetOfficeCalendar_Call_GetResults_Test()
        {
            var context             = new MyCompanyContext();
            var calendarWithOffices =
                context.Calendars
                .Include("Offices")
                .First(c => c.Offices.Any());

            var officeId = calendarWithOffices.Offices.First().OfficeId;

            var target = new CalendarRepository(context);
            var result = target.GetOfficeCalendar(officeId);

            Assert.IsNotNull(result);
        }