public void AlphaLowerAndAlt()
 {
     foreach (var c in KeyInputUtilTest.CharLettersLower)
     {
         var keyInput    = KeyInputUtil.CharWithAltToKeyInput(c);
         var shiftedChar = (char)(0x80 | (int)c);
         Assert.Equal(shiftedChar.ToString(), KeyNotationUtil.GetDisplayName(keyInput));
     }
 }