public async Task TestPutCalendarItemUpdate() { using (var context = new BankCalendarContext(options)) { // Given string title = "putEvent"; CalendarItem calendaritem1 = context.CalendarItem.Where(x => x.Event == calendarEvents[0]).Single(); calendaritem1.Event = title; // When CalendarController calendarController = new CalendarController(context); IActionResult result = await calendarController.PutCalendarItem(calendaritem1.ID, calendaritem1) as IActionResult; // Then calendaritem1 = context.CalendarItem.Where(x => x.Event == title).Single(); } }