.travis.yml in passages-1.4.0 vs .travis.yml in passages-1.4.1

@@ -3,6 +3,8 @@
   - 2.0
   - 2.2.1
   - 2.2.2
   - 2.3.0
 
-script: bundle exec rspec spec
+script:
+  - bundle exec rspec spec
+  - bundle exec rubocop