manage test suite exit code

Author: remicollet

tests/TestRedis.php

@@ -3271,6 +3271,6 @@ public function testTime() {
 	}
 }
 
-TestSuite::run("Redis_Test");
+exit(TestSuite::run("Redis_Test"));
 
 ?>

tests/test.php

@@ -51,9 +51,11 @@ public static function run($className) {
 
 		if(empty($className::$errors)) {
 			echo "All tests passed.\n";
+			return 0;
 		}
 
 		echo implode('', $className::$errors);
+		return 1;
 	}
 }