language: ruby
rvm:
  - 1.9.3
  - 2.0.0
  - 2.1
  - 2.2
  - 2.3
env:
  - PROMISEPAY_USERNAME=name@mail.com PROMISEPAY_TOKEN=token
script: "bundle exec rspec spec/"

language: ruby
rvm:
  - 1.9.3
  - 2.0.0
  - 2.1
  - 2.2
  - 2.3.1
env:
  - PROMISEPAY_USERNAME=name@mail.com PROMISEPAY_TOKEN=token
script: "bundle exec rspec spec/"

Add Ruby v2.3.1 to Travis configuration file
Add Ruby v2.3.1 to Travis configuration file
