.travis.yml in cinnamon_serial-2.1.0 vs .travis.yml in cinnamon_serial-2.1.1

@@ -1,8 +1,20 @@
+env:
+  global:
+    - CC_TEST_REPORTER_ID=929b1dd2a9ccbfa28740405a6471ca20da6aa8eacbf8cf1b6c4c7e632bbe9acd
 language: ruby
 rvm:
-  - 2.3.1
-  - 2.3.7
+  # Build on the latest stable of all supported Rubies (https://www.ruby-lang.org/en/downloads/):
+  - 2.3.8
+  - 2.4.5
+  - 2.5.3
+  - 2.6.0
 cache: bundler
+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