public async void Calendars_AddEventReminder_SetsSingleReminderIfNone() { var calendarEvent = GetTestEvent(); var reminder = new CalendarEventReminder { TimeBefore = TimeSpan.FromMinutes(42) }; var calendar = await _service.CreateCalendarAsync(_calendarName); await _service.AddOrUpdateEventAsync(calendar, calendarEvent); await _service.AddEventReminderAsync(calendarEvent, reminder); var eventFromId = await _service.GetEventByIdAsync(calendarEvent.ExternalID); Assert.AreEqual(reminder, eventFromId.Reminders.Single()); }