dist: xenial
language: node_js
node_js:
  - "6"
  - "8"
  - "9"
sudo: "required"
before_install: "sudo apt-get update && sudo apt-get install -y graphicsmagick"
script: "npm run-script travis"

dist: xenial
language: node_js
node_js:
  - '6'
  - '8'
  - '10'
sudo: 'required'
before_install: 'sudo apt-get update && sudo apt-get install -y graphicsmagick'
script: 'npm run-script travis'

Test with node.js 10 instead of 9
Test with node.js 10 instead of 9
