rocket.chat.mqtt/node_modules/reusify/.travis.yml

It's a MQTT Server, using redis to scale horizontally.

language: node_js
sudo: false

node_js:
  - 9
  - 8
  - 7
  - 6
  - 5
  - 4
  - 4.0
  - iojs-v3
  - iojs-v2
  - iojs-v1
  - 0.12
  - 0.10

cache:
  directories:
    - node_modules

after_script:
- npm run coverage

notifications:
  email:
    on_success: never
    on_failure: always