public void WhenANewStudentrIsRegistered_TheNumberOfStudentsIncreasesBy1()
        {
            using (var db = new SchoolDBContext())
            {
                var NumberOfStudentsPrior = db.Students.Count();


                _student.RegisterStudent("Test", "TestS", "TestU", "TestP", date, "07898789890",
                                         "01232186781", "TestEmail", "TestStreet", "E10 3ju", "TestCity", 1000);

                var numberOfStudentsAfter = db.Students.Count();

                Assert.AreEqual(NumberOfStudentsPrior + 1, numberOfStudentsAfter);
            }
        }