Enable Gating for RHEL-9

This gating is based on RHEL-8 Gating.

Resolves: rhbz#1982703

gating.yaml

@@ -0,0 +1,7 @@
+--- !Policy
+product_versions:
+  - rhel-9
+decision_context: osci_compose_gate
+rules:
+  - !PassingTestCaseRule {test_case_name: osci.brew-build.tier0.functional}   # this is the testcase identifier, which OSCI pipeline uses
+

tests/tests.yml

@@ -0,0 +1,22 @@
+---
+- hosts: localhost
+  roles:
+    - role: standard-test-source
+      tags:
+        - always
+
+    - role: standard-test-basic
+      tags:
+        - classic
+      required_packages:
+        - python3-simpleline
+        - gobject-introspection-devel
+
+      tests:
+        - smoke:
+            dir: .
+            run: /usr/libexec/platform-python -c "import simpleline"
+        - unit:
+            dir: ./source/tests/units
+            run: /usr/libexec/platform-python -m unittest discover -v -p "*_test.py"
+