Add an invalid GB number failing test
Add an invalid GB number failing test

marmelroy/PhoneNumberKit,nextforce/PhoneNumberKit,christopherweems/PhoneNumberKit,marmelroy/PhoneNumberKit,nextforce/PhoneNumberKit,christopherweems/PhoneNumberKit,marmelroy/PhoneNumberKit,Jean-Daniel/PhoneNumberKit,Jean-Daniel/PhoneNumberKit,christopherweems/PhoneNumberKit,nextforce/PhoneNumberKit,marmelroy/PhoneNumberKit,Jean-Daniel/PhoneNumberKit