public void RemoveKdigitsTest1()
{
RemoveKdigits obj = new RemoveKdigits();
string expected = "1219";
string actual = obj.DoWork("1432219", 3);
Assert.AreEqual(expected, actual);
}
public void RemoveKdigitsTest4()
{
RemoveKdigits obj = new RemoveKdigits();
string expected = "0";
string actual = obj.DoWork("10", 1);
Assert.AreEqual(expected, actual);
}