.travis.yml in esp_sdk-1.1.0 vs .travis.yml in esp_sdk-2.0.0.rc1

@@ -1,10 +1,16 @@
+sudo: false
+cache: bundler
 language: ruby
 rvm:
-  - 2.1.1
-cache: bundler
+  - 2.0.0
+  - 2.1
+  - 2.2
 script:
   - bundle exec rake test
+  - bundle exec rake coveralls:push
+  - bundle exec rubocop
+
 addons:
   code_climate:
     repo_token: 73b22e855ca36fc2ab337552731c44437923bdf96780beb01c04c0fe2775f7a1
 notifications:
   email: