fixed typo error

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@14658 20353a03-c40f-0410-a6d1-a30d3c3de9de

product/ERP5SyncML/tests/testERP5SyncML.py

@@ -114,7 +114,7 @@ class TestERP5SyncMLMixin:
       /person_client1 : empty
       /person_client2 : empty
     """
-    return ('erp5_base')
+    return ('erp5_base',)
 
   def getSynchronizationTool(self):
     return getattr(self.getPortal(), 'portal_synchronizations', None)