MC-19013: Scheduled update is not created by the admin from not default site

- fixed not related issue integration test that failed due to lack of isolation

Author: Oleksandr Dubovyk

dev/tests/integration/testsuite/Magento/Sales/_files/quotes.php

@@ -7,6 +7,8 @@
 
 use Magento\Quote\Model\QuoteFactory;
 use Magento\Quote\Model\QuoteRepository;
+use Magento\Store\Api\Data\StoreInterface;
+use Magento\Store\Model\StoreManager;
 use Magento\TestFramework\Helper\Bootstrap;
 use Magento\TestFramework\ObjectManager;
 
@@ -18,18 +20,22 @@
 $quoteFactory = $objectManager->get(QuoteFactory::class);
 /** @var QuoteRepository $quoteRepository */
 $quoteRepository = $objectManager->get(QuoteRepository::class);
+/** @var StoreManager $storeManager */
+$storeManager = $objectManager->get(StoreManager::class);
 
 $quotes = [
     'quote for first store' => [
-        'store' => 1,
+        'store' => 'default',
     ],
     'quote for second store' => [
-        'store' => 2,
+        'store' => 'fixture_second_store',
     ],
 ];
 
 foreach ($quotes as $quoteData) {
     $quote = $quoteFactory->create();
-    $quote->setStoreId($quoteData['store']);
+    /** @var StoreInterface $store */
+    $store = $storeManager->getStore($quoteData['store']);
+    $quote->setStoreId($store->getId());
     $quoteRepository->save($quote);
 }