public async Task CheckWorkshiftForNotification_ReturnsNullIfWorkshiftDayNotEqualsCurrentDay() { // Arrange var startDatetime = new DateTime(2019, 01, 01, 13, 00, 00); var stopDatetime = new DateTime(2019, 01, 01, 13, 15, 00); var workshift = new WorkshiftBuilder().WithId(1).WithTimeblock(1, startDatetime, stopDatetime).Build(); // Act var result = await _notificationService.CheckWorkshiftForNotification(workshift); // Assert Assert.That(result, Is.Null); }