.travis.yml
# language: ruby
# rvm: 2.7.2
# services:
# - postgresql
# - xvfb
# addons:
# chrome: stable
# env:
# - RAILS_ENV=test
# before_script:
# - psql -c 'create database travis_ci_test;' -U postgres
# - export DISPLAY=:99.0
# script:
# - bundle exec rake db:setup
# - bundle exec rspec