public void TestShortSentance()
 {
     Assert.AreEqual("my. dog, isn't f5g v2y w2l.",
                     Worda10nAabbreviation.Abbreviate("my. dog, isn't feeling very well."));
 }
 public void TestInternationalization()
 {
     Assert.AreEqual("i18n", Worda10nAabbreviation.Abbreviate("internationalization"));
 }