sudo: false
cache: bundler
language: ruby
bundler_args: --quiet
script:
  - bundle exec rake
rvm:
  - 2.1.5

sudo: false
cache: bundler
language: ruby
bundler_args: --quiet
script:
  - bundle exec rake
rvm:
  - 2.1.5
env:
  matrix:
    - SOLIDUS_BRANCH=v2.2 DB=postgres
    - SOLIDUS_BRANCH=v2.3 DB=postgres
    - SOLIDUS_BRANCH=v2.4 DB=postgres
    - SOLIDUS_BRANCH=v2.5 DB=postgres
    - SOLIDUS_BRANCH=v2.6 DB=postgres
    - SOLIDUS_BRANCH=v2.7 DB=postgres
    - SOLIDUS_BRANCH=master DB=postgres
    - SOLIDUS_BRANCH=v2.2 DB=mysql
    - SOLIDUS_BRANCH=v2.3 DB=mysql
    - SOLIDUS_BRANCH=v2.4 DB=mysql
    - SOLIDUS_BRANCH=v2.5 DB=mysql
    - SOLIDUS_BRANCH=v2.6 DB=mysql
    - SOLIDUS_BRANCH=v2.7 DB=mysql
    - SOLIDUS_BRANCH=master DB=mysql

Add an example build matrix to test against multiple versions
Add an example build matrix to test against multiple versions

Maybe we should find a way to make this dynamic?
