Fix path meta data
Commit 769880f7 added path meta data into .fmf files. As path's didn't have /
at the beginning test were not created correctly.
Fixes:
fatal: [fedora29]: FAILED! => {
"msg": [
"Tests failed: True",
"Tests msg: FAIL selinuxselinux-policy/policy-rpm-macros",
"FAIL selinuxcheckpolicy/checkpolicy",
"FAIL selinuxlibsepol/sepol_check_context",
"FAIL selinuxlibsemanage/verify-options-in-semanage-conf",
...
$ cat artifacts/FAIL_selinuxcheckpolicy-checkpolicy.log
FAIL test selinuxcheckpolicy/checkpolicy does not appear to be a file or directory