[tests/selinux] pr775-checkpolicy-revdeps: skip systemd-userdbd test on RHEL-8

[tests/selinux] pr775-checkpolicy-revdeps: skip systemd-userdbd test on RHEL-8

[Milos Malik]

            A new commit has been pushed.

            Repo   : tests/selinux
            Branch : pr775-checkpolicy-revdeps
            Commit : 06c47e669ee02ebac2b70f6d0822e7ccaac46b00
            Author : Milos Malik <mmalik@redhat.com>
            Date   : 2020-11-02T08:22:58+00:00
            Stats  : +10/-0 in 2 file(s)
            URL    : https://src.fedoraproject.org/tests/selinux/c/06c47e669ee02ebac2b70f6d0822e7ccaac46b00?branch=pr775-checkpolicy-revdeps

            Log:
            skip systemd-userdbd test on RHEL-8

It makes no sense to run this TC on RHEL-8.x or lower RHELs, because
the systemd-userdbd service is not available there. As soon as the
service becomes available in these environments, the TC can be enabled.

---
diff --git a/selinux-policy/systemd-userdbd-and-similar/main.fmf b/selinux-policy/systemd-userdbd-and-similar/main.fmf
index 4b73bfc..23213c1 100644
--- a/selinux-policy/systemd-userdbd-and-similar/main.fmf
+++ b/selinux-policy/systemd-userdbd-and-similar/main.fmf
@@ -1,2 +1,5 @@
 path: /selinux-policy/systemd-userdbd-and-similar
 tier: 2
+relevancy:
+- "distro <= rhel-8: False"
+

diff --git a/selinux-policy/systemd-userdbd-and-similar/runtest.sh b/selinux-policy/systemd-userdbd-and-similar/runtest.sh
index 1301c95..9fba8c9 100755
--- a/selinux-policy/systemd-userdbd-and-similar/runtest.sh
+++ b/selinux-policy/systemd-userdbd-and-similar/runtest.sh
@@ -42,6 +42,13 @@ ALLOWED_USERS=${ALLOWED_USERS:-"staff_u user_u guest_u xguest_u sysadm_u unconfi
 DENIED_USERS=${DENIED_USERS:-""}
 
 rlJournalStart
+    # the systemd-userdbd service is not available on RHEL-8
+    if rlIsRHEL 8 ; then
+        rlLog "Not applicable to this OS version."
+        rlJournalEnd
+        exit 0
+    fi
+
     rlPhaseStartSetup
         rlRun "rlImport 'selinux-policy/common'"
         rlSESatisfyRequires