add bundle exec for test

KazuCocoa · KazuCocoa · commit 27162850c13a · 2017-11-05T16:57:36.000+09:00
diff --git a/.travis.yml b/.travis.yml
@@ -8,7 +8,7 @@ rvm:
 
 script:
   - bundle exec rake rubocop
-  - rake test:unit
+  - bundle exec rake test:unit
 
 notifications:
   email:
