public void RepositoryTest()
{
CrudRepository <Users> userRepo = new CrudRepository <Users>();
Users user1 = new Users {
UserFirstName = "Test", UserLastName = "Test"
};
userRepo.Add(user1);
Assert.AreNotEqual(0, user1.Id);
int id = user1.Id;
userRepo.Remove(user1);
Users user2 = userRepo.FindById(id);
Assert.AreEqual(null, user2);
}