dist: xenial 
language: node_js
cache:
    directories:
        - node_modules
addons:
    chrome: stable
node_js:
 - "10"
before_install:
  - npm install -g lerna
  - rm -rf ./node_modules
  - export LERNA=$(which lerna)
install: make stamp-npm
before_script: make serve_bg
script: make check