language: ruby
rvm:
  - "2.2"
  - "2.3"
  - "2.4"
  - "2.5"
  - "2.6"
  - "2.7"
  - "3.0"
  - "jruby"

env:
  global:
    - SKIP_FLAKY_TESTS: true

before_install:
  - sudo apt-get update
  - sudo apt-get install -y ghostscript

script: bundle exec rspec spec --backtrace