tests: Skip test when libxml 2.7.6-14 is around
tests: Skip test when libxml 2.7.6-14 is around

Addressing false negative:
$ echo 2.7.6-14.el6 |  awk -F. '{print ($1 == 2 && ($2 < 7 || ($2 == 7 && $3 <= 6))) ? "true" : "false"}'
false

Fixed:
$ echo 2.7.6-14.el6 |  awk -F. '{print ($1 == 2 && ($2 < 7 || ($2 == 7 && $3 < 7))) ? "true" : "false"}'
true

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