public void GetDisabledCourier_CorrectData_ReturnsNull() { CourierDto courier = new CourierDto() { FirstName = "Courier", LastName = "Disabled", PhoneNumber = "testphone", Location = new PointDto() { Latitude = 23.02, Longitude = 54.03 } }; Guid id = courierService.AddCourierAsync(courier).Result; courierService.DisableCourierAsync(id).Wait(); courier = courierService.GetCourierById(id); Assert.IsNull(courier); }