language: ruby
before_install:
  - gem update --system
rvm:
  - 2.3
  - 2.2
  - 2.1
  - 2.0
script: bundle exec rspec spec

language: ruby
before_install:
  - gem update --system
  - gem install bundler
rvm:
  - 2.3
  - 2.2
  - 2.1
  - 2.0
script: bundle exec rspec spec

Make sure Bundler is updated on Travis CI
Make sure Bundler is updated on Travis CI
