public void TestCreateReader()
        {
            Reader reader = new Reader();

            reader.reader_firstName = "Lidia";
            reader.reader_surname   = "Opala";
            Assert.IsTrue(serv.CreateReader(reader));
        }
        public void TestGetEvent()
        {
            Book book = new Book();

            book.title         = "The Amulet of Samarkand";
            book.author        = "Jonathan Stroud";
            book.yearPublished = 2003;
            book.publisher     = "Doubleday";

            Reader reader = new Reader();

            reader.reader_firstName = "Lidia";
            reader.reader_surname   = "Opala";
            reserv.CreateReader(reader);

            serv.BorrowBook(reader, book);
            Assert.IsNotNull(serv.GetEventByUserData("Lidia", "Opala"));
        }