revert r17164, because it is just hiding the problem.

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@17165 20353a03-c40f-0410-a6d1-a30d3c3de9de

product/ERP5/tests/testInventoryAPI.py

@@ -1393,23 +1393,20 @@ class TestNextNegativeInventoryDate(InventoryAPITestCase):
                          start_date=start_date,
                          simulation_state='planned')
     node_uid = self.node.getUid()
-    date = DateTime()
+    date = DateTime(DateTime().strftime('%Y/%m/%d'))
     self.assertEquals(getNextNegativeInventoryDate(node_uid=node_uid), None)
     makeMovement(quantity=1, change_way=1, start_date=date)
     self.assertEquals(getNextNegativeInventoryDate(node_uid=node_uid), None)
     makeMovement(quantity=3, change_way=0, start_date=date+2)
-    self.assertEquals((date + 2).Date(),
-        getNextNegativeInventoryDate(node_uid=node_uid).Date())
+    self.assertEquals(getNextNegativeInventoryDate(node_uid=node_uid), date+2)
     makeMovement(quantity=5, change_way=1, start_date=date+1)
     self.assertEquals(getNextNegativeInventoryDate(node_uid=node_uid), None)
     makeMovement(quantity=7, change_way=0, start_date=date+5)
-    self.assertEquals((date + 5).Date(),
-        getNextNegativeInventoryDate(node_uid=node_uid).Date())
+    self.assertEquals(getNextNegativeInventoryDate(node_uid=node_uid), date+5)
     makeMovement(quantity=7, change_way=1, start_date=date+4)
     self.assertEquals(getNextNegativeInventoryDate(node_uid=node_uid), None)
     makeMovement(quantity=7, change_way=0, start_date=date+3)
-    self.assertEquals((date + 3).Date(),
-                 getNextNegativeInventoryDate(node_uid=node_uid).Date())
+    self.assertEquals(getNextNegativeInventoryDate(node_uid=node_uid), date+3)
 
 class TestInventoryStat(InventoryAPITestCase):
   """Tests Inventory Stat methods.