Add missing files required by gating.yaml

I found these gating failures when resolving the covscan bug.

Related: bz1938817

Signed-off-by: Kairui Song <kasong@redhat.com>

tests/runtest.sh

@@ -0,0 +1,2 @@
+#!/bin/sh
+make -C source test

tests/tests.yml

@@ -0,0 +1,19 @@
+---
+- hosts: localhost
+  roles:
+  - role: standard-test-source
+    tags:
+    - always
+
+  - role: standard-test-basic
+    tags:
+    - atomic
+    - classic
+    required_packages:
+    - make
+    - ncurses-devel
+    - gcc
+    tests:
+    - smoke:
+        dir: .
+        run: ./runtest.sh