Replace invalid CVRF file in tests with a valid one
Replace invalid CVRF file in tests with a valid one

RHSA-2017-0263 was being used in the test suite, but it was found
that this file did not follow official ICASI schema specifications,
which caused validation check to fail. It is replaced with
RHSA-2017:1285

jan-cerny/openscap,jan-cerny/openscap,redhatrises/openscap,redhatrises/openscap,mpreisler/openscap,mpreisler/openscap,redhatrises/openscap,mpreisler/openscap,jan-cerny/openscap,OpenSCAP/openscap,mpreisler/openscap,redhatrises/openscap,mpreisler/openscap,OpenSCAP/openscap,OpenSCAP/openscap,jan-cerny/openscap,OpenSCAP/openscap,OpenSCAP/openscap,jan-cerny/openscap,redhatrises/openscap,mpreisler/openscap,OpenSCAP/openscap,redhatrises/openscap,jan-cerny/openscap