language: node_js
node_js:
  - '6'
  - '7'
  - '8'
  - '9'
  - '10'
before_script:
  - npm install
script: npm test

language: node_js
node_js:
  - '6'
  - '7'
  - '8'
  - '9'
  - '10'
  - '11'
  - '12'
before_script:
  - npm install
script: npm test

Build from Node 6 to Node 12
Build from Node 6 to Node 12
