[CI] Allow failure with ruby head

nicolasleger · web-flow · commit e4e6cabeafa2 · 2018-03-27T13:02:35.000+02:00
diff --git a/.travis.yml b/.travis.yml
@@ -15,6 +15,7 @@ rvm:
 matrix:
   fast_finish: true
   allow_failures:
+  - rvm: ruby-head
   - rvm: jruby
 notifications:
   email: false
