Debugging test failing on travis

.travis.yml

@@ -1,9 +1,8 @@
 language: node_js
 node_js:
-    - "0.10.33"
+    - "0.12.4"
 before_install:
-    - sudo apt-get install build-essential
-    - "npm install -g npm@2.9.0"
+    - "npm install -g npm"
     - "npm install -g grunt-cli"
 install:
     - "npm install"