os:
  - linux
  - osx
language: node_js
node_js:
  - "lts/argon"
  - "lts/boron"
  - "lts/carbon"
  - "node"

os:
  - linux
  - osx
language: node_js
node_js:
  - "lts/*"
  - "lts/argon"
  - "node"

Reduce amount of tested Node.js version to oldest, newest LTS and current
Reduce amount of tested Node.js version to oldest, newest LTS and current
