.travis.yml in chef-provisioning-vsphere-2.0.2 vs .travis.yml in chef-provisioning-vsphere-2.0.3

@@ -3,8 +3,15 @@
 branches:
   only:
     - master
 rvm:
   - 2.3.3
+  - 2.4.1
+
 script:
   - bundle exec rake style
   - bundle exec rake unit
+  - bundle exec rake yard
+
+matrix:
+  allow_failures:
+  - rvm: 2.3.3