do not run tests which require EPEL repo

There is no EPEL repo for RHEL-10 or CentOS stream 10. It makes
no sense to run tests which require this repo, because they would
fail. Once the EPEL repo becomes available, the part of filter
can be removed.

plans/tests.fmf

@@ -1,8 +1,15 @@
-summary: Tier 1 selinux-policy test plan
-discover:
-    how: fmf
-    url: https://src.fedoraproject.org/tests/selinux.git
-    filter: "tier:1 & tag:-failinfedora | component: selinux-policy & tag:-failinfedora"
 execute:
     how: tmt
 
+/tier1-filtered:
+    discover:
+      - how: fmf
+        url: https://src.fedoraproject.org/tests/selinux.git
+        filter: "tier:1 & tag:-failinfedora & tag:-epel"
+
+/component-filtered:
+    discover:
+      - how: fmf
+        url: https://src.fedoraproject.org/tests/selinux.git
+        filter: "component:selinux-policy & tag:-failinfedora & tag:-epel"
+