diff --git a/addons/stock_dropshipping/test/lifo_price.yml b/addons/stock_dropshipping/test/lifo_price.yml
index 274c31e24f2..1ab280350e8 100644
--- a/addons/stock_dropshipping/test/lifo_price.yml
+++ b/addons/stock_dropshipping/test/lifo_price.yml
@@ -73,6 +73,12 @@
   I confirm the second purchase order
 - 
   !workflow {model: purchase.order, action: purchase_confirm, ref: purchase_order_lifo2}
+-
+  The behavior of fifo/lifo is not garantee if the quants are created at the same second, so i just wait one second
+-
+  !python {model: stock.picking}: |
+    import time
+    time.sleep(1)
 - 
   Process the reception of purchase order 2
 -