public void Test_PalindromeFailedResponse()
{
var sut = new PalindromeHandling();
var actual = sut.Handling("asdfds2A");
// How to test if user input stops it?
Assert.IsType <string>(actual);
Assert.DoesNotContain("Error", actual);
Assert.Contains("not", actual);
}
static void Main(string[] args)
{
var Handler = new PalindromeHandling();
Console.WriteLine(Handler.Handling(""));
}