Merge pull request #29 from percona/wip-add-additional-db

Update .travis.yml

Author: arvenil

.travis.yml

@@ -5,14 +5,22 @@ language: go
 go:
 - 1.9.x
 - 1.10.x
-- master
 
 env:
 - MYSQL_IMAGE=mysql/mysql-server:5.5
 - MYSQL_IMAGE=mysql/mysql-server:5.6
 - MYSQL_IMAGE=mysql/mysql-server:5.7
 - MYSQL_IMAGE=mysql/mysql-server:8.0
+- MYSQL_IMAGE=mariadb:5.5
+- MYSQL_IMAGE=mariadb:10.0
+- MYSQL_IMAGE=mariadb:10.1
+- MYSQL_IMAGE=mariadb:10.2
+- MYSQL_IMAGE=mariadb:10.3
+- MYSQL_IMAGE=percona/percona-server:5.6
 - MYSQL_IMAGE=percona/percona-server:5.7
+- MYSQL_IMAGE=percona:5.5
+- MYSQL_IMAGE=percona:5.6
+- MYSQL_IMAGE=percona:5.7
 
 services:
 - docker