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);
}
}