language: ruby
rvm:
  - 2.1.8
  - 2.2.4
  - 2.3.0

sudo: false
cache: bundler
script:
  - bundle exec rspec spec --backtrace

language: ruby
rvm:
  - 2.1.8
  - 2.2.5
  - 2.3.1

sudo: false
cache: bundler
script:
  - bundle exec rspec spec --backtrace

Update Travis for newer Rubies, noting that 2.1.9 doesn't work in Travis right now
Update Travis for newer Rubies, noting that 2.1.9 doesn't work in Travis right now
