language: node_js
node_js:
  - "8"
  - "9"
  - "10"
  - "11"
before_script:
  - npm install -g grunt-cli
script:
  - grunt coverage

language: node_js
node_js:
  - "10"
  - "11"
  - "12"
before_script:
  - npm install -g grunt-cli
script:
  - grunt coverage

Remove NodeJS v8 and v9 and add v12
Remove NodeJS v8 and v9 and add v12
