public void StringOf5Characters()
{
string actual = CreditCardMasking.Maskify("1Test");
Assert.AreEqual("#test", actual, "Input: \"1Test\"");
}
public void StringOf11Characters()
{
string actual = CreditCardMasking.Maskify("Ben is Cool");
Assert.AreEqual("#######Cool", actual, "Input: \"Ben is Cool\"");
}
