Add gating tests (for RHEL)

resolves: rhbz#1975465

(cherry picked from commit 325e0045bc)

gating.yaml

@@ -0,0 +1,7 @@
+--- !Policy
+product_versions:
+  - rhel-*
+decision_context: osci_compose_gate
+rules:
+  - !PassingTestCaseRule {test_case_name: osci.brew-build.tier0.functional}
+  - !PassingTestCaseRule {test_case_name: manual.sst_virtualization.vhostmd.manual-test}

tests/basic-test.sh

@@ -0,0 +1,6 @@
+#!/bin/bash -
+set -e
+set -x
+
+# Setting up vhostmd is basically impossible, so:
+LANG=C vm-dump-metrics |& grep "Unable to read metrics disk"

tests/tests.yml

@@ -0,0 +1,11 @@
+- hosts: localhost
+  roles:
+  - role: standard-test-basic
+    tags:
+    - classic
+    required_packages:
+    - vm-dump-metrics-devel
+    tests:
+    - simple:
+        dir: .
+        run: ./basic-test.sh