language: ruby
sudo: false
rvm:
  - 2.2.2
  - ruby-head
matrix:
  allow_failures:
    - rvm: ruby-head
  fast_finish: true

language: ruby
sudo: false
rvm:
  - 2.2.2
  - ruby-head
matrix:
  allow_failures:
    - rvm: ruby-head
  fast_finish: true
services:
  - mongodb

Add MongoDB to Travis CI config
Add MongoDB to Travis CI config
