ReplyToGetSetClearTest::testAddReplyToValidAddressNonIdn(): add additional test cases
ReplyToGetSetClearTest::testAddReplyToValidAddressNonIdn(): add additional test cases

This commit:
* Adds two extra test cases.
* Adds handling to allow the "expected" registered values (and key) being different from the original input values.

nawawi/PHPMailer,nawawi/PHPMailer,jimjag/PHPMailer,PHPMailer/PHPMailer,jimjag/PHPMailer,PHPMailer/PHPMailer