language: node_js
node_js:
  - '8'
  - '6'
  - '4'
after_success: npm run coveralls

# TODO temporary fix - please see links below
# https://blog.travis-ci.com/2017-06-21-trusty-updates-2017-Q2-launch
# https://github.com/travis-ci/travis-ci/issues/7991
group: deprecated-2017Q2