message: trying without sudo
diff: -sudo: required
  +sudo: false
  dist: trusty
  language: node_js
  node_js:
  @@ -8,10 +8,10 @@ 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
  + - apt-get update
  + - 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
  + - dpkg -i google-chrome*.deb
  before_script:
  - cd gulp
  - npm install -g karma
  