.travis.yml in mutant-0.3.0.beta2 vs .travis.yml in mutant-0.3.0.beta3

@@ -9,9 +9,10 @@
   - jruby-19mode
 matrix:
   allow_failures:
     - rvm: jruby-19mode # No fork(2) support, workaround planned
     - rvm: ruby-head # Broken at this time
+    - rvm: rbx-19mode # Broken at this time, yard/yardstick issue
 notifications:
   irc:
     channels:
       - irc.freenode.org#rom-rb
     on_success: never