language: node_js
cache: yarn
node_js:
  - 8
  - 10
  - 11
  - node
install:
  - yarn
script:
  - yarn ci

language: node_js
cache: yarn
node_js:
  - 8
  - 10
  - 12
  - node
install:
  - yarn
script:
  - yarn ci

Add Node 12 to test matrix and remove 11.
Add Node 12 to test matrix and remove 11.
