language: node_js
node_js:
- "10.16.3"
- "12.10.0"
sudo: false
addons:
firefox: "latest"
chrome: stable
apt:
sources:
- ubuntu-toolchain-r-test
packages:
- build-essential
env:
- CXX=g++
services:
- xvfb
notifications:
email:
on_success: never