public static MenuSingleton GetInstance()
        {
            if (_uniqueInstance == null)
            {
                lock (SyncRoot)
                {
                    if (_uniqueInstance == null)
                    {
                        _uniqueInstance = new MenuSingleton();
                    }
                }
            }

            return(_uniqueInstance);
        }
        public void Test_LoginStore()
        {
            var actual = MenuSingleton.LoginStore();

            Assert.True(actual != null);
        }