Allow setting the config dir to use as enviroment variable for phpunit

lib/base.php

@@ -103,7 +103,9 @@ class OC {
 			get_include_path()
 		);
 
-		if(defined('PHPUNIT_RUN') and PHPUNIT_RUN and is_dir(OC::$SERVERROOT . '/tests/config/')) {
+		if(defined('PHPUNIT_CONFIG_DIR')) {
+			self::$configDir = OC::$SERVERROOT . '/' . PHPUNIT_CONFIG_DIR . '/';
+		} elseif(defined('PHPUNIT_RUN') and PHPUNIT_RUN and is_dir(OC::$SERVERROOT . '/tests/config/')) {
 			self::$configDir = OC::$SERVERROOT . '/tests/config/';
 		} else {
 			self::$configDir = OC::$SERVERROOT . '/config/';

tests/bootstrap.php

@@ -3,9 +3,14 @@
 
 define('PHPUNIT_RUN', 1);
 
-require_once __DIR__.'/../lib/base.php';
+$configDir = getenv('CONFIG_DIR');
+if ($configDir) {
+	define('PHPUNIT_CONFIG_DIR', $configDir);
+}
+
+require_once __DIR__ . '/../lib/base.php';
 
-if(!class_exists('PHPUnit_Framework_TestCase')) {
+if (!class_exists('PHPUnit_Framework_TestCase')) {
 	require_once('PHPUnit/Autoload.php');
 }