test fix for buildbot

add phantomjs as dependency

package.json

@@ -33,7 +33,8 @@
     "grunt-bower-task": "~0.3.4",
     "grunt-karma": "~0.8.0",
     "grunt-angular-gettext": "~2.1.0",
-    "git-branch": "*"
+    "git-branch": "*",
+    "phantomjs": "~1.9.18"
   },
   "scripts": {
     "postinstall": "bower install",