.travis.yml in openxml-docx-0.10.6 vs .travis.yml in openxml-docx-0.11.0.rc

@@ -1,6 +1,6 @@
 # .travis.yml
 language: ruby
 rvm:
-  - 2.0.0
+  - 2.3.0
 script:
-  - bundle exec rake test
+  - bundle exec rake spec