ACP2E-2709: [Feature Request] Customer suggests that Submit Comment Button on Order Details page is confusing and should be changed to something else

Author: Sarmistha

app/code/Magento/Sales/Block/Adminhtml/Order/View/History.php

@@ -14,15 +14,11 @@
 class History extends \Magento\Backend\Block\Template
 {
     /**
-     * Core registry
-     *
      * @var \Magento\Framework\Registry
      */
     protected $_coreRegistry = null;
 
     /**
-     * Sales data
-     *
      * @var \Magento\Sales\Helper\Data
      */
     protected $_salesData = null;

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

@@ -0,0 +1,59 @@
+<?php
+/************************************************************************
+ *
+ * Copyright 2024 Adobe
+ * All Rights Reserved.
+ *
+ * NOTICE: All information contained herein is, and remains
+ * the property of Adobe and its suppliers, if any. The intellectual
+ * and technical concepts contained herein are proprietary to Adobe
+ * and its suppliers and are protected by all applicable intellectual
+ * property laws, including trade secret and copyright laws.
+ * Dissemination of this information or reproduction of this material
+ * is strictly forbidden unless prior written permission is obtained
+ * from Adobe.
+ * ************************************************************************
+ */
+declare(strict_types=1);
+
+namespace Magento\Sales\Controller\Adminhtml\Order;
+
+use Magento\Framework\Exception\LocalizedException;
+use Magento\Sales\Api\Data\OrderInterfaceFactory;
+use Magento\TestFramework\TestCase\AbstractBackendController;
+
+class ViewCommentTest extends AbstractBackendController
+{
+    /** @var OrderInterfaceFactory */
+    private $orderFactory;
+
+    /**
+     * @inheritdoc
+     */
+    protected function setUp(): void
+    {
+        parent::setUp();
+        $this->orderFactory = $this->_objectManager->get(OrderInterfaceFactory::class);
+    }
+
+    /**
+     * Verify the button Label is rendered as 'Update Changes' in order comment section
+     * of order details page.
+     *
+     * @magentoDataFixture Magento/Sales/_files/order.php
+     * @magentoAppArea adminhtml
+     * @return void
+     * @throws LocalizedException
+     */
+    public function testVerifyStatusCommentUpdateButtonLabel(): void
+    {
+        $order = $this->orderFactory->create()->loadByIncrementId('100000001');
+        $this->getRequest()->setParam('order_id', $order->getEntityId());
+        $this->dispatch('backend/sales/order/view/');
+        $content = $this->getResponse()->getBody();
+        $this->assertStringContainsString(
+            '<span>Update Changes</span>',
+            $content
+        );
+    }
+}