public static void ClassInitialize(TestContext context)
{
db = new LinqLibraryDataContext(BookTest.connectionString);
Book book = new Book();
book.title = "Chrzest Ognia";
book.author = "Andrzej Sapkowski";
book.yearPublished = 1996;
book.publisher = "superNOWA";
db.Book.InsertOnSubmit(book);
db.SubmitChanges();
}