public void ShouldThrowExceptionIfConfirmedLotNull()
{
//Arrange
Mock <IRepository <Lot> > repositoryMock = new Mock <IRepository <Lot> >();
repositoryMock.Setup(a => a.Get(It.IsAny <int>())).Returns <Lot>(null);
var unitOfWorkMock = new Mock <IUnitOfWork>();
unitOfWorkMock.Setup(uow => uow.Lots).Returns(repositoryMock.Object);
var managerService = new ManagerService(unitOfWorkMock.Object);
//Act&assert
Assert.ThrowsException <DataValidationException>(() => managerService.ConfirmLot(It.IsAny <int>()));
}
