Merge pull request #2270 from nnnick/fix/travis-tests

Fix/travis tests

.travis.yml

@@ -4,13 +4,9 @@ node_js:
   - "4.3"
 
 before_install:
+  - "export CHROME_BIN=/usr/bin/google-chrome"
   - "export DISPLAY=:99.0"
   - "sh -e /etc/init.d/xvfb 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"
-  - "export CHROME_BIN=/usr/bin/google-chrome"
 
 before_script:
   - npm install
@@ -24,6 +20,12 @@ notifications:
   slack: chartjs:pcfCZR6ugg5TEcaLtmIfQYuA
 
 sudo: required
+dist: trusty
 
 addons:
-  firefox: latest
+  firefox: latest
+  apt:
+    sources:
+      - google-chrome
+    packages:
+      - google-chrome-stable