language: node_js
node_js:
  - "node"
  - "8"
  - "7"
  - "6"
  - "5"
  - "4"

language: node_js
node_js:
  - "node"
  - "12"
  - "11"
  - "10"
  - "9"
  - "8"

Update Node version for testing
Update Node version for testing