.travis.yml in review-1.6.0 vs .travis.yml in review-1.7.0

@@ -1,9 +1,18 @@
+language: ruby
+sudo: false
+
 rvm:
   - 1.9.3
   - 2.0.0
   - 2.1.*
   - 2.2.*
+  - ruby-head
 
 branches:
   only:
     - master
+
+script:
+  - bundle exec rake test
+  - bundle exec rubocop
+