Run tests against ruby-2.3.0-preview1

ctran · ctran · commit 0a12e1a9ecbf · 2015-12-09T23:28:47.000-08:00
diff --git a/.travis.yml b/.travis.yml
@@ -4,5 +4,6 @@ rvm:
   - 2.0
   - 2.1
   - 2.2
+  - 2.3.0-preview1
 before_install:
   - rvm @global do gem install bundler
