public void CreateUser()
 {
     var store = new UserStore();
     var password = new SecureString();
     "test password".ToCharArray().ToList().ForEach(password.AppendChar);
     var testUser = User.Create("test user", password);
     if (store.UserExists(testUser.UserName))
     {
         store.Remove(testUser);
     }
     store.Add(testUser);
 }