sudo: false
language: node_js
node_js:
  - 6
  - 8
  - 10
before_script:
  - export NODE_PATH="$NVM_PATH/../node_modules"
env:
  - DEBUG=yeoman:*

sudo: false
language: node_js
node_js:
  - 8
  - 10
  - 12
before_script:
  - export NODE_PATH="$NVM_PATH/../node_modules"
env:
  - DEBUG=yeoman:*

Add node.js 12 and remove 6.
Add node.js 12 and remove 6.