Add gating tmt plan

Resolves: rhbz#2159328

.fmf/version

@@ -0,0 +1 @@
+1

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}

plan.fmf

@@ -0,0 +1,18 @@
+execute:
+  how: tmt
+prepare:
+  how: shell
+  script: pip-3.11 install pretend==1.0.9
+  order: 90
+discover:
+  how: shell
+  dist-git-source: true
+  tests:
+  - name: bundled tests
+    require:
+    - python3.11-pytest
+    - python3.11-pip
+    test: |
+      cd $(dirname $TMT_SOURCE_DIR/packaging-*/tests) &&
+      rm -rf packaging &&
+      pytest-3.11 tests/