public async Task Then_Calls_Service_With_ReservationId(
            Guid deletedEventGuid,
            [Frozen] Mock <IReservationService> mockReservationService,
            ApprenticeshipDeletedHandler handler)
        {
            await handler.Handle(deletedEventGuid);

            mockReservationService
            .Verify(service => service.UpdateReservationStatus(
                        deletedEventGuid,
                        ReservationStatus.Pending,
                        null,
                        null,
                        null),
                    Times.Once);
        }
 public void Arrange()
 {
     _reservationService = new Mock <IReservationService>();
     _handler            = new ApprenticeshipDeletedHandler(_reservationService.Object);
 }