Fix travis tests

.travis.yml

@@ -1,10 +1,18 @@
+sudo: required
+dist: trusty
 language: node_js
 node_js:
   - 5.2.0
-sudo: required
 cache:
   directories:
     - node_modules
+addons:
+apt:
+  sources:
+    - google-chrome
+  packages:
+    - google-chrome-stable
+    - google-chrome-beta
 before_install:
   - sudo apt-get update
   - sudo apt-get install -y libappindicator1 fonts-liberation
@@ -17,7 +25,6 @@ before_script:
   - export CHROME_BIN=/usr/bin/google-chrome
   - "export DISPLAY=:99.0"
   - "sh -e /etc/init.d/xvfb start"
-  - "/sbin/start-stop-daemon --start --quiet --pidfile /tmp/custom_xvfb_99.pid --make-pidfile --background --exec /usr/bin/Xvfb -- :99 -ac -screen 0 1280x1024x16"
   - sleep 5 # give xvfb some time to start
   - gulp bundle
   - npm start &

karma.conf.js

@@ -49,7 +49,12 @@ module.exports = function(config) {
     // start these browsers
     // available browser launchers: https://npmjs.org/browse/keyword/karma-launcher
     browsers: ['Chrome'],
-
+    customLaunchers: {
+      Chrome_without_sandbox: {
+        base: 'Chrome',
+        flags: ['--no-sandbox'] // with sandbox it fails under Docker
+      }
+    },
     // Continuous Integration mode
     // if true, Karma captures browsers, runs the tests and exits
     singleRun: false,