release locks with a commit, this makes this test closer to reality

product/ERP5Catalog/tests/testArchive.py

@@ -27,6 +27,7 @@
 #
 ##############################################################################
 
+import transaction
 import unittest
 
 from Testing import ZopeTestCase
@@ -231,6 +232,9 @@ class TestArchive(InventoryAPITestCase):
                                      )
     dest.ready()
 
+    # make sure to commit to release any lock on tables
+    transaction.commit()
+
     # Do archive
     portal_archive.manage_archive(destination_archive_id=dest.getId(),
                                   archive_id=archive.getId(),