MC-36953: [Magento On-Premise]: Tracking link in email redirects to 404 Page not Found

Author: yelahin-serhiy

dev/tests/integration/testsuite/Magento/Sales/Controller/Adminhtml/Order/Invoice/SaveTest.php

@@ -74,6 +74,21 @@ public function testAclNoAccess()
         parent::testAclNoAccess();
     }
 
+    /**
+     * Checks that order protect code is not changing after invoice submitting
+     *
+     * @return void
+     */
+    public function testOrderProtectCodePreserveAfterInvoiceSave(): void
+    {
+        $order = $this->prepareRequest();
+        $protectCode = $order->getProtectCode();
+        $this->dispatch($this->uri);
+        $invoicedOrder = $this->getOrder('100000001');
+
+        $this->assertEquals($protectCode, $invoicedOrder->getProtectCode());
+    }
+
     /**
      * @param array $params
      * @return \Magento\Sales\Api\Data\OrderInterface|null