diff --git a/addons/purchase/test/process/cancel_order.yml b/addons/purchase/test/process/cancel_order.yml
index 4ac8e09443f..9ef5597b2d2 100644
--- a/addons/purchase/test/process/cancel_order.yml
+++ b/addons/purchase/test/process/cancel_order.yml
@@ -4,6 +4,13 @@
   I confirm the purchase order.
 -
   !workflow {model: purchase.order, action: purchase_confirm, ref: order_purchase4}
+-
+  I changed Expected Date to Next Day.
+-
+  !python {model: purchase.order}: |
+    import datetime
+    next_day = (datetime.date.today()+datetime.timedelta(days=1))
+    self.write(cr, uid, [ref("order_purchase4")], {'minimum_planned_date': next_day})
 -
   I check the "Approved" status  after confirmed RFQ.
 -