Trying more stuff with travis

.travis.yml

@@ -1,5 +1,11 @@
 sudo: required
 dist: trusty
+addons:
+  apt:
+    sources:
+    - google-chrome
+    packages:
+    - google-chrome-stable
 language: node_js
 node_js:
 - '6.9'
@@ -8,22 +14,15 @@ branches:
   except:
   - /^v[0-9\.]+/
 before_install:
+- "export DISPLAY=:99.0"
+- "sh -e /etc/init.d/xvfb start"
 - npm config set spin false
 - npm install -g coveralls pr-bumper --ignore-scripts
 - pr-bumper check
 install:
 - npm install ember-cli-sass # NOTE: this requies scripts
 - npm install --ignore-scripts
 - bower install
-before_script:
-- export CHROME_BIN=/usr/bin/google-chrome
-- "export DISPLAY=:99.0"
-- "sh -e /etc/init.d/xvfb start"
-- sleep 3 # give xvfb some time to start
-- sudo apt-get update
-- sudo apt-get install -y libappindicator1 fonts-liberation
-- wget https://dl.google.com/linux/direct/google-chrome-stable_current_amd64.deb
-- sudo dpkg -i google-chrome*.deb
 script:
 - npm run lint
 - ember try:one $EMBER_TRY_SCENARIO --- ember test