Bump Travis CI default OS from trusty to xenial

schlessera · schlessera · commit 02e5eaecdbd6 · 2020-04-13T09:42:43.000+02:00
diff --git a/.travis.yml b/.travis.yml
@@ -4,6 +4,9 @@ dist: xenial
 language: php
 php: 7.3
 
+services:
+  - mysql
+
 notifications:
   email:
     on_success: never
