tests: correction to a cpe test
tests: correction to a cpe test

Modify the default_cpe test to match RHEL versions such as
"redhat-release-server-6Server-6.3.0.3.el6_3.x86_64".
Why this wasn't discovered earlier is a mystery. See you soon.

isimluk/openscap,jan-cerny/openscap,ybznek/openscap,redhatrises/openscap,postfix/openscap,ybznek/openscap,postfix/openscap,postfix/openscap,jan-cerny/openscap,postfix/openscap,OpenSCAP/openscap,jan-cerny/openscap,mpreisler/openscap,mpreisler/openscap,Hexadorsimal/openscap,OpenSCAP/openscap,postfix/openscap,postfix/openscap,redhatrises/openscap,openprivacy/openscap,isimluk/openscap,mpreisler/openscap,Hexadorsimal/openscap,ybznek/openscap,redhatrises/openscap,ybznek/openscap,redhatrises/openscap,openprivacy/openscap,mpreisler/openscap,openprivacy/openscap,openprivacy/openscap,OpenSCAP/openscap,Hexadorsimal/openscap,redhatrises/openscap,mpreisler/openscap,ybznek/openscap,jan-cerny/openscap,isimluk/openscap,mpreisler/openscap,OpenSCAP/openscap,jan-cerny/openscap,isimluk/openscap,openprivacy/openscap,isimluk/openscap,openprivacy/openscap,OpenSCAP/openscap,ybznek/openscap,Hexadorsimal/openscap,OpenSCAP/openscap,jan-cerny/openscap,Hexadorsimal/openscap,isimluk/openscap,Hexadorsimal/openscap,redhatrises/openscap