Set fetch mode on DB manager rather than connection

Author: Ben Batschelet

tests/lib/bootstrap.php

@@ -23,6 +23,6 @@
 $dbManager->setAsGlobal();
 $dbManager->bootEloquent();
 
-$dbManager->connection()->setFetchMode(\PDO::FETCH_NUM);
+$dbManager->setFetchMode(PDO::FETCH_NUM);
 
 require_once 'migration.php';