Add basic openscap test. This looks for an existing profile and run a basic scan.
Openscap scans return 1 in case of failure, 0 in case of success and 2 when a
vulnerability has been found. As this does not aim to check openscap reports, 2 is
considered as a successful test.
Signed-off-by: Louis Rannou <louis.rannou@non.se.com>
(added to test image)
Signed-off-by: Scott Murray <scott.murray@konsulko.com>