TwigExtractor tests require the Finder component

src/Symfony/Bridge/Twig/composer.json

@@ -20,6 +20,7 @@
         "twig/twig": "~1.12"
     },
     "require-dev": {
+        "symfony/finder": "~2.3",
         "symfony/form": "~2.2",
         "symfony/http-kernel": "~2.2",
         "symfony/routing": "~2.2",
@@ -29,6 +30,7 @@
         "symfony/security": "~2.0"
     },
     "suggest": {
+        "symfony/finder": "",
         "symfony/form": "",
         "symfony/http-kernel": "",
         "symfony/routing": "",