public void Test_DistinctAlphabeticalSort_CorrectlySortsStringOfUniqueCharacters_WhenCalled()
{
// Arrange
// Arrange
StringSorter sorter = new StringSorter();
string message = "eeecccfbbffabaddde";
string expected = "abcdef";
// Act
string result = sorter.DistinctAlphabeticalSort(message);
// Assert
Assert.AreEqual(expected, result);
}
