os:
  - linux
language: node_js
node_js:
  - 6
  - 8
script:
  - npm run test
after_success:
  - ./node_modules/.bin/codecov

os:
  - linux
language: node_js
node_js:
  - 8
script:
  - npm run test
after_success:
  - ./node_modules/.bin/codecov

Change test to Node 8 only
Change test to Node 8 only
