MC-18685: Remove custom layout updates from admin

Author: Oleksandr Gorkun

app/code/Magento/CatalogSearch/Test/Mftf/Test/StorefrontAdvancedSearchByPriceToTest.xml

@@ -27,7 +27,8 @@
         <actionGroup ref="StorefrontFillFormAdvancedSearchActionGroup" stepKey="search">
             <argument name="price_to" value="100"/>
         </actionGroup>
-        <see userInput="2 items" selector="{{StorefrontCatalogSearchAdvancedResultMainSection.itemFound}}" stepKey="see"/>
+        <!-- See that some items were found, other products may exist besides our test products -->
+        <see userInput="items" selector="{{StorefrontCatalogSearchAdvancedResultMainSection.itemFound}}" stepKey="see"/>
         <see userInput="$$createProduct2.name$$" selector="{{StorefrontCatalogSearchAdvancedResultMainSection.productName}}" stepKey="seeProduct2Name" after="seeProductName"/>
     </test>
 </tests>

dev/tests/integration/testsuite/Magento/Cms/Model/PageRepositoryTest.php

@@ -54,7 +54,7 @@ public function testSaveUpdateXml(): void
         $page = $this->repo->save($page);
 
         //New value is not accepted.
-        $page->setCustomLayoutUpdateXml($page->getCustomLayoutUpdateXml() .'TEST');
+        $page->setCustomLayoutUpdateXml('<container name="new_container_for_save_update_xml" />');
         $forbidden = false;
         try {
             $page = $this->repo->save($page);
@@ -64,7 +64,7 @@ public function testSaveUpdateXml(): void
         $this->assertTrue($forbidden);
 
         //New value is not accepted.
-        $page->setLayoutUpdateXml($page->getLayoutUpdateXml() .'TEST');
+        $page->setLayoutUpdateXml('<container name="new_container_for_save_update_xml2" />');
         $forbidden = false;
         try {
             $page = $this->repo->save($page);