.travis.yml in magellan-cli-0.11.0 vs .travis.yml in magellan-cli-0.11.1

@@ -1,3 +1,22 @@
+# https://docs.travis-ci.com/user/reference/overview/
+dist: xenial
+
 language: ruby
 rvm:
-  - 2.1.1
+  - 2.3.8
+  - 2.4.5
+  - 2.5.3
+  - 2.6.0
+
+## https://docs.travis-ci.com/user/languages/ruby#bundler-20
+before_install:
+  - gem update --system
+  - gem install bundler
+
+## https://docs.travis-ci.com/user/languages/ruby/#Dependency-Management
+# install:
+
+## https://docs.travis-ci.com/user/languages/ruby/#Default-Build-Script
+script:
+ - bundle exec rake spec
+