language: node_js
node_js:
  - "0.10"
  - "0.12"
  - "4"
  - "6"
before_install: "npm install -g npm && npm cache clean"
script: "npm test"

language: node_js
node_js:
  - "4"
  - "6"
  - "8"
  - "10"
before_install: "npm install -g npm && npm cache clean"
script: "npm test"

Adjust test matrix to run form node 4 up to node 10.
Adjust test matrix to run form node 4 up to node 10.
