sudo: false
language: node_js
node_js:
  - '5'
  - '4.2'
  - '4.1'
  - '4.0'
script:
- npm run test
sudo: false
language: node_js
node_js:
  - '8'
  - '6'
  - '5'
  - '4.2'
  - '4.1'
  - '4.0'
script:
  - npm run test

Update Travis config to test with more recent versions of Node.
chore: Update Travis config to test with more recent versions of Node.
