public void Type_Method()
        {
            Assert.Throws <ArgumentNullException>(() => IYandexMoneyButtonWidgetExtensions.Type(null, YandexMoneyButtonType.Wallet));

            new YandexMoneyButtonWidget().Do(widget =>
            {
                Assert.True(ReferenceEquals(widget.Type(YandexMoneyButtonType.Card), widget));
                Assert.Equal("any-card-payment-type", widget.Type());
            });
            new YandexMoneyButtonWidget().Do(widget => Assert.Equal("yamoney-payment-type", widget.Type(YandexMoneyButtonType.Wallet).Type()));
        }