public void LoadAllUsers_ShouldGetAllUsers()
        {
            var userSeppe = new User(1, "Seppe");
            var userJohan = new User(2, "Johan");
            var userList  = new List <User>
            {
                userSeppe,
                userJohan
            };

            userService.GetAllUsers().Returns(userList);

            new UserController(userView, userAddView, userService).LoadAllUsers();

            userView.Received().AddUser(userSeppe);
            userView.Received().AddUser(userJohan);
        }