.travis.yml in roo_on_rails-1.2.0 vs .travis.yml in roo_on_rails-1.3.0

@@ -21,5 +21,7 @@
 matrix:
   allow_failures:
     - rvm: ruby-head
     - rvm: 2.4.0
       gemfile: gemfiles/rails_3.gemfile
+services:
+  - redis-server