public void Test()
{
ISorter <int> sorter = new MergeSorter <int>();
var listOfInts = new List <int> {
34, 65, 234, 345, 56, 2, 65
};
listOfInts.Sort();
var sortedList = sorter.SortIt(listOfInts);
Assert.True(listOfInts.SequenceEqual(sortedList));
}