.travis.yml in rack-blogengine-0.2.3 vs .travis.yml in rack-blogengine-0.2.4

@@ -3,13 +3,16 @@
 
 rvm:
   - 1.9.3
   - 2.0.0
   - 2.1.0
+  - ruby-head
   - jruby
   - rbx
 
 matrix:
   allow_failures:
     - rvm: rbx
     - rvm: jruby
-    - rvm: ruby-head
+    - rvm: ruby-head
+
+script:  "env COVERAGE=true bundle exec rake"
\ No newline at end of file