added tail to make test (#2)

* added tail to make test

* show 'make test' errors in Travis
diff --git a/.travis.yml b/.travis.yml
index 43e84c7..28ea8a2 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -19,7 +19,8 @@
   - bundle install
 
 before_script:
-  - make test
+  - set -o pipefail
+  - make test | tail
 
 script:
   - test ! -e .kitchen.yml || bundle exec kitchen test