language: node_js
node_js:
  - "0.12"
  - "0.10"
  - "iojs"
sudo: false
cache:
  directories:
    - node_modules
notifications:
  email: false

language: node_js
node_js:
  - "node"
  - "6"
  - "5"
  - "4"
  - "0.12"
  - "iojs"
sudo: false
cache:
  directories:
    - node_modules
notifications:
  email: false

Adjust versions of NodeJS to test against.
Adjust versions of NodeJS to test against.