language: node_js
node_js:
  - "4.8"
  - "6.10"
  - "7.6"
services:
  - mongodb
cache:
  directories:
  - node_modules
git:
  depth: 3
script:
  - yarn test:check-coverage
after_script:
  - yarn report-coverage

language: node_js
node_js:
  - "8.2"
services:
  - mongodb
cache:
  directories:
  - node_modules
git:
  depth: 3
script:
  - yarn test:check-coverage
after_script:
  - yarn report-coverage

Update Travis config to use node v8
Update Travis config to use node v8
