MC-42704: Admin Checkout validation bug

-Integration test has been written.

Author: pradeep.rauthan

dev/tests/integration/testsuite/Magento/Customer/_files/customer_address_attribute_update_rollback.php

@@ -3,6 +3,7 @@
  * Copyright © Magento, Inc. All rights reserved.
  * See COPYING.txt for license details.
  */
+declare(strict_types=1);
 
 /** @var \Magento\Framework\Registry $registry */
 $registry = \Magento\TestFramework\Helper\Bootstrap::getObjectManager()->get(\Magento\Framework\Registry::class);
@@ -17,13 +18,18 @@
 $model->loadByCode($entityType, $attributeCode);
 $validationRules = $model->getValidationRules();
 
-if(!empty($validationRules['input_validation'])){
-    if(in_array('alphanum-with-spaces', $validationRules)){
-        unset($validationRules['input_validation']);
-        $model->setValidationRules($validationRules);
-        $model->save();
+try {
+    if(!empty($validationRules['input_validation'])){
+        if(in_array('alphanum-with-spaces', $validationRules)){
+            unset($validationRules['input_validation']);
+        }
     }
+} catch (\Magento\Framework\Exception\NoSuchEntityException $e) {
+    // Specified validation already rolled back
 }
 
+$model->setValidationRules($validationRules);
+$model->save();
+
 $registry->unregister('isSecureArea');
 $registry->register('isSecureArea', false);

dev/tests/integration/testsuite/Magento/Customer/_files/customer_address_street_attribute_rollback.php

@@ -0,0 +1,40 @@
+<?php
+/**
+ * Copyright © Magento, Inc. All rights reserved.
+ * See COPYING.txt for license details.
+ */
+declare(strict_types=1);
+
+use Magento\TestFramework\Workaround\Override\Fixture\Resolver;
+use Magento\Customer\Api\AddressRepositoryInterface;
+use Magento\Framework\Exception\NoSuchEntityException;
+use Magento\Framework\Registry;
+use Magento\TestFramework\Helper\Bootstrap;
+
+Resolver::getInstance()->requireDataFixture('Magento/Catalog/_files/product_simple_rollback.php');
+Resolver::getInstance()->requireDataFixture('Magento/Customer/_files/customer_rollback.php');
+
+$objectManager = Bootstrap::getObjectManager();
+/** @var Registry $registry */
+$registry = $objectManager->get(Registry::class);
+
+$registry->unregister('isSecureArea');
+$registry->register('isSecureArea', true);
+
+/** @var AddressRepositoryInterface $addressRepository */
+$addressRepository = $objectManager->get(AddressRepositoryInterface::class);
+
+foreach ([1, 2] as $addressId) {
+    try {
+        $addressRepository->deleteById($addressId);
+    } catch (NoSuchEntityException $e) {
+        /**
+         * Tests which are wrapped with MySQL transaction clear all data by transaction rollback.
+         */
+    }
+}
+
+$registry->unregister('isSecureArea');
+$registry->register('isSecureArea', false);
+
+Resolver::getInstance()->requireDataFixture('Magento/Customer/_files/customer_address_attribute_update_rollback.php');