diff --git a/tests/mocks/database/config/pdo/mysql.php b/tests/mocks/database/config/pdo/mysql.php
index 97ea24b..38f822f 100644
--- a/tests/mocks/database/config/pdo/mysql.php
+++ b/tests/mocks/database/config/pdo/mysql.php
@@ -24,7 +24,7 @@
 		'subdriver' => 'mysql',
 		'failover' => array(
 			array(
-				'dsn' => '',
+				'dsn' => 'mysql:host=localhost;dbname=ci_test',
 				'hostname' => 'localhost',
 				'username' => 'travis',
 				'password' => '',