public void NegativKeses()
        {
            jk.UjJarat("76", "Germany", "United Kingdom", DateTime.Parse("09:18"));
            jk.UjJarat("176", "Germany", "United Kingdom", DateTime.Parse("09:18"));
            jk.setKeses("176", -10);

            Assert.Throws <HibasJaratSzamException>(
                () => {
                var jarat = jk.getKeses("76");
            }
                );
        }