language: node_js

before_install:
 - yarn config set ignore-engines true

node_js:
  - "4"
  - "6"
  - "8"
  - "10"

language: node_js

before_install:
 - yarn config set ignore-engines true

node_js:
  - "6"
  - "8"
  - "10"

Update Travis since yarn fails on node v4
Update Travis since yarn fails on node v4
