.travis.yml in clock_window-0.0.4 vs .travis.yml in clock_window-0.0.5

@@ -1,5 +1,6 @@
 sudo: false
 language: ruby
 rvm:
   - 2.3.1
-before_install: gem install bundler -v 1.12.1
+before_install: gem install bundler -v 1.12.3
+script: XWINDOWS=FALSE bundle exec rake test