fixes CI config

.travis.yml

@@ -3,7 +3,15 @@ language: node_js
 node_js:
   - "4"
 
-sudo: false
+sudo: required
+dist: trusty
+
+addons:
+  apt:
+    sources:
+    - google-chrome
+    packages:
+    - google-chrome-stable
 
 cache:
   directories:
@@ -22,13 +30,13 @@ matrix:
     - env: EMBER_TRY_SCENARIO=ember-canary
 
 before_install:
+  - export DISPLAY=:99.0
+  - sh -e /etc/init.d/xvfb start
   - npm config set spin false
-  - npm install -g bower
-  - bower --version
-  - npm install phantomjs-prebuilt
-  - phantomjs --version
+  - npm install -g npm@^2
 
 install:
+  - npm install -g bower
   - npm install
   - bower install
 

testem.js

@@ -4,10 +4,9 @@ module.exports = {
   "test_page": "tests/index.html?hidepassed",
   "disable_watching": true,
   "launch_in_ci": [
-    "PhantomJS"
+    "Chrome"
   ],
   "launch_in_dev": [
     "PhantomJS",
-    "Chrome"
   ]
 };