.travis.yml in hyper-operation-1.0.alpha1.5 vs .travis.yml in hyper-operation-1.0.alpha1.6

@@ -5,9 +5,10 @@
   - 2.4.4
   - 2.5.1
   - ruby-head
 services:
   - mysql
+  - redis-server
 env:
   - DRIVER=google-chrome TZ=Europe/Berlin
 matrix:
   fast_finish: true
   allow_failures: