public UnitTest1()
 {
     countingLetters = new CountingLetters();
 }
 public void AlphabeticalOrderTest()
 {
     Assert.AreEqual("aeforstw", CountingLetters.AlphabeticalOrder("software"));
     Assert.AreEqual("bddeelmoru", CountingLetters.AlphabeticalOrder("DUMBLEdore"));
 }
 public void CountVowelsTest()
 {
     Assert.AreEqual(3, CountingLetters.CountVowels("what it is"));
     Assert.AreEqual(2, CountingLetters.CountVowels("eel"));
     Assert.AreEqual(3, CountingLetters.CountVowels("MICRosoft"));
 }