Try to execute the test suite via Bundler.

voxik · voxik · commit e17edf1264ce · 2017-03-27T15:55:02.000+02:00
diff --git a/.travis.yml b/.travis.yml
@@ -7,7 +7,7 @@ rvm:
   - "2.3.3"
   - "2.4.0"
   - "ruby-head"
-script: rake
+script: bundle exec rake
 matrix:
   allow_failures:
     - rvm: 1.8.7
