language: node_js
cache: yarn
node_js:
  - node
  - "12"
  - "10"
  - "8"
  - "6"
install:
 - yarn install --ignore-engines

language: node_js
cache: yarn
node_js:
  - node
  - "12"
  - "10"
  - "8"
install:
 - yarn install --ignore-engines

Remove Node.js 6 from CI
Remove Node.js 6 from CI
