sudo: false
language: ruby
rvm:
  - 2.2.4
  - 2.3.0
  - ruby-head
matrix:
  allow_failures:
    - rvm: ruby-head
services:
  - redis-server
script: bin/rspec
bundler_args: --without benchmarking

sudo: false
language: ruby
rvm:
  - 2.2.4
  - 2.3.0
  - 2.4.1
  - ruby-head
matrix:
  allow_failures:
    - rvm: ruby-head
services:
  - redis-server
script: bin/rspec
bundler_args: --without benchmarking

Add ruby 2.4.1 to the build matrix
Add ruby 2.4.1 to the build matrix