language: ruby
sudo: false
matrix:
  include:
    - rvm: jruby-9.2.11.1
    - rvm: 2.5.8
    - rvm: 2.6.6
    - rvm: jruby-head
    - rvm: ruby-head
    - rvm: 2.7.2
    - rvm: 2.7.2
      install: true # This skips 'bundle install'
      script: gem build *.gemspec && gem install *.gem
  allow_failures:
    - rvm: jruby-head
    - rvm: ruby-head
  fast_finish: true
before_install:
  - gem install bundler
cache: bundler
notifications:
  email: false

language: ruby
matrix:
  include:
    - rvm: jruby-9.2.11.1
    - rvm: 2.5.8
    - rvm: 2.6.6
    - rvm: jruby-head
    - rvm: ruby-head
    - rvm: 2.7.2
    - rvm: 2.7.2
      install: true # This skips 'bundle install'
      script: gem build *.gemspec && gem install *.gem
  allow_failures:
    - rvm: jruby-head
    - rvm: ruby-head
  fast_finish: true
before_install:
  - gem install bundler
cache: bundler
notifications:
  email: false

Drop "sudo: false" in Travis CI configuration
Drop "sudo: false" in Travis CI configuration

This has no meaning anymore as Travis CI has abanonded their container-based environment.
