Build both C an C++ hello world programs as integration test

Add simple test which builds Hello World programs for both C and C++.
Build options provided by default rpm macro.

Based on

https://github.com/CentOS/sig-core-t_functional/tree/master/tests/p_annobin

Gating is not enabled yet, so the test will not be blocking.

tests/build_hello_world.sh

@@ -0,0 +1,9 @@
+#!/bin/bash
+
+set -ex
+
+gcc -x c $(rpm --eval %build_cflags) data/hello.c -o hello_c.out
+./hello_c.out | grep -q "Hello World"
+
+g++ -x c++ $(rpm --eval %build_cxxflags) data/hello.cpp -o hello_cpp.out
+./hello_cpp.out | grep -q "Hello World"

tests/data/hello.c

@@ -0,0 +1,5 @@
+#include <stdio.h>
+int main() {
+	printf("Hello World!\n");
+	return 0;
+}

tests/data/hello.cpp

@@ -0,0 +1,5 @@
+#include <iostream>
+int main() {
+	std::cout << "Hello World!\n";
+	return 0;
+}

tests/tests.yml

@@ -0,0 +1,14 @@
+- hosts: localhost
+  roles:
+    - role: standard-test-basic                         
+      tags:
+        - classic
+      
+      required_packages:
+        - redhat-rpm-config
+        - annobin
+
+      tests:
+        - build_hello_world:
+            dir: .
+            run: "./build_hello_world.sh"