testERP5Credential: commit transaction at the end of afterSetUp() to start new...

testERP5Credential: commit transaction at the end of afterSetUp() to start new MariaDB transactions.

bt5/erp5_credential/TestTemplateItem/portal_components/test.erp5.testERP5Credential.py

@@ -87,6 +87,7 @@ class TestERP5Credential(ERP5TypeTestCase):
         self.portal.getDefaultModule('Person'))
     for module in module_list:
       module.manage_delObjects(list(module.objectIds()))
+    self.commit()
 
   @reindex
   def enableAlarm(self):