Add RHEL gating test

(cherry picked from commit e00b4bbeaa7fe421331f0e52cdc6a10039f7c7b6)

gating.yaml

@@ -0,0 +1,6 @@
+--- !Policy
+product_versions:
+  - rhel-*
+decision_context: osci_compose_gate
+rules:
+  - !PassingTestCaseRule {test_case_name: osci.brew-build.tier0.functional}

tests/basic-test.sh

@@ -0,0 +1,8 @@
+#!/bin/bash -
+set -e
+set -x
+
+# Compile trivial calendar program.
+echo 'CalendarLib.Calendar.Period.make 0 0 0 1 0 0' > caltest.ml
+ocamlfind ocamlopt -package calendar caltest.ml -linkpkg -o caltest
+./caltest

tests/tests.yml

@@ -0,0 +1,13 @@
+- hosts: localhost
+  roles:
+  - role: standard-test-basic
+    tags:
+    - classic
+    required_packages:
+    - ocaml
+    - ocaml-findlib
+    - ocaml-calendar-devel
+    tests:
+    - simple:
+        dir: .
+        run: ./basic-test.sh