serializacjatest

        public void TestMethod1()
        {
            Book book = new Book("Lalka", "Boleslaw Prus", 2002);
            Book book2 = new Book("Potop", "Henryk Sienkiewicz", 2012);
            List<Book> books = new List<Book>();
            books.Add(book);
            books.Add(book2);
            TestMethods.toXML(books);
            List<Book> books2 = new List<Book>();
            books2 = TestMethods.fromXML();
            Assert.AreEqual(books.ToString(), books2.ToString());
        }