diff --git a/openerp/addons/base/res/res_users.py b/openerp/addons/base/res/res_users.py
index b85c49abf15..772f7f7290b 100644
--- a/openerp/addons/base/res/res_users.py
+++ b/openerp/addons/base/res/res_users.py
@@ -394,7 +394,8 @@ class res_users(osv.osv):
             # (In this way, there is no opportunity to have two transactions
             # interleaving their cr.execute()..cr.commit() calls and have one
             # of them rolled back due to a concurrent access.)
-            cr.autocommit(True)
+            if not openerp.tools.config['test_enable']:
+                cr.autocommit(True)
             # check if user exists
             res = self.search(cr, SUPERUSER_ID, [('login','=',login)])
             if res: