enable mysql in travis via services key

dastergon · dastergon · commit 659e200bd49a · 2015-11-11T14:01:04.000+02:00
diff --git a/.travis.yml b/.travis.yml
@@ -1,5 +1,7 @@
 sudo: required
 dist: trusty
+services:
+    - mysql
 
 # Add encrypted env variables, used for setting up the test environment
 env:
