Test on latest ruby only and cache bundler.

Travis originally runs in 1.9.3, which conflicts with the byebug gem. We don't really care about 1.9.3 since it has reached it's end of life.
archseer · Jun 13, 2015 · 23a2856 · 23a2856
1 parent 18cacc6
commit 23a2856
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/.travis.yml b/.travis.yml
@@ -1,3 +1,6 @@
 language: ruby
+rvm:
+  - 2.2.2
+cache: bundler
 before_install:
   - gem install bundler