py2/py3: str(class) result is different between Python 2 and 3.

product/ERP5/tests/testInventoryAPI.py

@@ -900,7 +900,7 @@ class TestInventoryList(InventoryAPITestCase):
     getInventoryList = self.getSimulationTool().getInventoryList
     inventory_list = getInventoryList()
     self.assertEqual(str(inventory_list.__class__),
-                    'Shared.DC.ZRDB.Results.Results')
+                    'Shared.DC.ZRDB.Results.Results' if six.PY2 else "<class 'Shared.DC.ZRDB.Results.Results'>")
     # the brain is InventoryListBrain
     self.assert_('InventoryListBrain' in
           [c.__name__ for c in inventory_list._class.__bases__])
@@ -1677,7 +1677,7 @@ class TestMovementHistoryList(InventoryAPITestCase):
     getMovementHistoryList = self.getSimulationTool().getMovementHistoryList
     mvt_history_list = getMovementHistoryList()
     self.assertEqual(str(mvt_history_list.__class__),
-                    'Shared.DC.ZRDB.Results.Results')
+                    'Shared.DC.ZRDB.Results.Results' if six.PY2 else "<class 'Shared.DC.ZRDB.Results.Results'>")
     # default is an empty list
     self.assertEqual(0, len(mvt_history_list))