public void AddBookshelfAisle(int BookshelfAisleNumber)
        {
            using var context = new LibraryContext();
            var BookshelfAisle = new BookShelfAisle();

            BookshelfAisle.BookshelfAisleNumber = BookshelfAisleNumber;
            context.BookShelfAisles.Add(BookshelfAisle);
            context.SaveChanges();
        }
        private static Mock <IBookshelfAisleManager> SetUpMock(BookShelfAisle bookshelfAisle)
        {
            var UniTestsMock = new Mock <IBookshelfAisleManager>();

            UniTestsMock.Setup(m =>
                               m.GetBookshelfAisleByBookshelfAisleNumber(It.IsAny <int>()))
            .Returns(bookshelfAisle);

            UniTestsMock.Setup(m =>
                               m.AddBookshelfAisle(It.IsAny <int>()));
            return(UniTestsMock);
        }