diff --git a/addons/point_of_sale/tests/test_point_of_sale_flow.py b/addons/point_of_sale/tests/test_point_of_sale_flow.py
index d37a19c890e..c4739f418f7 100644
--- a/addons/point_of_sale/tests/test_point_of_sale_flow.py
+++ b/addons/point_of_sale/tests/test_point_of_sale_flow.py
@@ -153,7 +153,6 @@ class TestPointOfSaleFlow(TestPointOfSaleCommon):
             })]
         })
 
-        # I click on the "Make Payment" wizard to pay the PoS order with the total amount (2*450 + 3*300 = 1800)
         context_make_payment = {
             "active_ids": [self.pos_order_pos1.id],
             "active_id": self.pos_order_pos1.id
@@ -217,7 +216,6 @@ class TestPointOfSaleFlow(TestPointOfSaleCommon):
             })]
         })
 
-        # I click on the "Make Payment" wizard to pay the PoS order with the total amount (-2*450 + -3*300 = -1800)
         context_make_payment = {
             "active_ids": [self.pos_order_pos2.id],
             "active_id": self.pos_order_pos2.id
@@ -270,22 +268,23 @@ class TestPointOfSaleFlow(TestPointOfSaleCommon):
                 'price_unit': 450,
                 'discount': 0.0,
                 'qty': (-2.0),
+                'tax_ids': [(6, 0, self.product3.taxes_id.ids)],
             }), (0, 0, {
                 'name': "OL/0006",
                 'product_id': self.product4.id,
                 'price_unit': 300,
                 'discount': 0.0,
                 'qty': 3.0,
+                'tax_ids': [(6, 0, self.product4.taxes_id.ids)],
             })]
         })
 
-        # I click on the "Make Payment" wizard to pay the PoS order with the total amount (-2*450 + 3*300 = 0)
         context_make_payment = {
             "active_ids": [self.pos_order_pos3.id],
             "active_id": self.pos_order_pos3.id
         }
         self.pos_make_payment_4 = self.PosMakePayment.with_context(context_make_payment).create({
-            'amount': 0
+            'amount': 45,
         })
 
         # I click on the validate button to register the payment.