Merge branch 'checkout_stabilization' into checkout

Author: irenelagno

app/code/Magento/SalesRule/view/frontend/web/js/action/cancel-coupon.js

@@ -15,14 +15,16 @@ define(
         'Magento_Checkout/js/model/resource-url-manager',
         'Magento_Checkout/js/model/payment-service',
         'Magento_Checkout/js/model/error-processor',
+        'Magento_Ui/js/model/messageList',
         'mage/storage',
         'Magento_Checkout/js/action/get-totals'
     ],
-    function (ko, $, quote, urlManager, paymentService, errorProcessor, storage, getTotalsAction) {
+    function (ko, $, quote, urlManager, paymentService, errorProcessor, messageList, storage, getTotalsAction) {
         'use strict';
         return function (isApplied, isLoading) {
             var quoteId = quote.getQuoteId();
             var url = urlManager.getCancelCouponUrl(quoteId);
+            messageList.clear();
             return storage.delete(
                 url,
                 false

app/code/Magento/SalesRule/view/frontend/web/js/action/set-coupon-code.js

@@ -15,14 +15,16 @@ define(
         'Magento_Checkout/js/model/resource-url-manager',
         'Magento_Checkout/js/model/payment-service',
         'Magento_Checkout/js/model/error-processor',
+        'Magento_Ui/js/model/messageList',
         'mage/storage',
         'Magento_Checkout/js/action/get-totals'
     ],
-    function (ko, $, quote, urlManager, paymentService, errorProcessor, storage, getTotalsAction) {
+    function (ko, $, quote, urlManager, paymentService, errorProcessor, messageList, storage, getTotalsAction) {
         'use strict';
         return function (couponCode, isApplied, isLoading) {
             var quoteId = quote.getQuoteId();
             var url = urlManager.getApplyCouponUrl(couponCode, quoteId);
+            messageList.clear();
             return storage.put(
                 url,
                 {},