public void TrMarkupCurrentLanguageChangedOnTextBlock()
        {
            Loc.Instance.CurrentLanguage = "en";

            Tr tr = new Tr("SayHello");

            TextBlock textBlock = new TextBlock();

            tr.ProvideValue(new TestsServiceProvider(textBlock, TextBlock.TextProperty));

            textBlock.Text.ShouldBe("Hello");

            Loc.Instance.CurrentLanguage = "fr";

            textBlock.Text.ShouldBe("Bonjour");
        }