Run polkit tests in duktape gating

Given polkit is one of the main consumers of duktape, let's run the
polkit test suite in gating to get some, hopefully, useful coverage.

ci.fmf

@@ -1 +1,2 @@
+# Docs: https://docs.fedoraproject.org/en-US/ci/tmt/#_multiple_plans
 resultsdb-testcase: separate

gating.yaml

@@ -1,6 +1,7 @@
 --- !Policy
 product_versions:
-  - rhel-10
+  - rhel-*
 decision_context: osci_compose_gate
 rules:
-  - !PassingTestCaseRule {test_case_name: osci.brew-build./plans/tier1-internal.functional}
+  - !PassingTestCaseRule {test_case_name: osci.brew-build./plans/polkit-all-buildroot-internal.functional}
+  - !PassingTestCaseRule {test_case_name: osci.brew-build./plans/polkit-all-no-buildroot-internal.functional}

plans.fmf

@@ -0,0 +1,11 @@
+/polkit-all-buildroot-internal:
+  plan:
+    import:
+      url: https://pkgs.devel.redhat.com/git/tests/polkit
+      name: /plans/all-buildroot
+
+/polkit-all-no-buildroot-internal:
+  plan:
+    import:
+      url: https://pkgs.devel.redhat.com/git/tests/polkit
+      name: /plans/all-no-buildroot

plans/tier1-internal.fmf

@@ -1,10 +0,0 @@
-summary: Internal gating tests plan
-discover:
-  - name: Internal gating tests (duktape)
-    how: fmf
-    url: https://pkgs.devel.redhat.com/git/tests/duktape
-execute:
-    how: tmt
-adjust:
-    enabled: false
-    when: distro == centos-stream or distro == fedora