.travis.yml in usps_flags-0.4.1 vs .travis.yml in usps_flags-0.5.0

@@ -11,8 +11,9 @@
 before_script:
   - curl -L https://codeclimate.com/downloads/test-reporter/test-reporter-latest-linux-amd64 > ./cc-test-reporter
   - chmod +x ./cc-test-reporter
   - ./cc-test-reporter before-build
 script:
+  - bundle exec rubocop
   - bundle exec rspec
 after_script:
   - ./cc-test-reporter after-build --exit-code $TRAVIS_TEST_RESULT