language: node_js
node_js:
  - "4"
  - "6"
  - "7"
  - "8"
  - "9"
  - "10"

language: node_js
node_js:
  - "6"
  - "7"
  - "8"
  - "9"
  - "10"

Drop Travis tests for node v6
Drop Travis tests for node v6
