public async Task TesCreateOneAttendanceSuccessfully() { //Arrange var listToUpdate = new List <AttendanceReports>(); listToUpdate.Add(new AttendanceReports() { AttendanceId = 1, Status = "future", TimeTableId = 1, UserId = "2" }); //Act var result = await attendanceDAO.CreateAttendance(listToUpdate); //Assert Assert.Equal((int)HttpStatusCode.OK, ((ObjectResult)result).StatusCode); Assert.Single(context.AttendanceReports.ToList()); }