patch order breakdown discount

app/models/solidus_paypal_commerce_platform/paypal_order.rb

@@ -92,7 +92,7 @@ def breakdown
         item_total: price(@order.item_total),
         shipping: price(@order.shipment_total),
         tax_total: price(@order.additional_tax_total),
-        discount: price(@order.all_adjustments.promotion.sum(&:amount).abs)
+        discount: price(@order.promo_total.abs)
       }
     end
 

spec/models/solidus_paypal_commerce_platform/paypal_order_spec.rb

@@ -70,6 +70,12 @@
         )
       end
     end
+
+    context 'when an order has an inapplicable promo adjustment' do
+      it 'does not include it in the paypal order break' do
+        # TODO
+      end
+    end
   end
 
   private