travis: declaring mysql service

Shlomi Noach · Shlomi Noach · commit e1c8df744788 · 2019-08-11T15:29:28.000+03:00
diff --git a/.travis.yml b/.travis.yml
@@ -7,6 +7,9 @@ go:
 os:
   - linux
 
+services:
+  - mysql
+
 env:
 - MYSQL_USER=root
 - CURRENT_CI_ENV=travis
