public async Task AddNewBookToAuthorTest_1()
{
var conString = "Server=DESKTOP-RF07Q5U;Database=AspCoreBookApp;Trusted_Connection=True;MultipleActiveResultSets=true";
IRepositoryContextFactory repositoryContextFactory = new RepositoryContextFactory();
IAuthorRepository authorRepository = new AuthorRepository(conString, repositoryContextFactory);
IBookRepository bookRepository = new BookRepository(conString, repositoryContextFactory);
var txt = await bookRepository.AddBookToAuthor(new BooksToAuthors { BookId = 5, AuthorId = 3 });
var authorList = await bookRepository.GetBooks(0, 10);
var ext = authorList.Records.ToList();
}