MC-13824: Ensure core tests disable WYSIWYG before execution

- Skip core test AdminProductImageAssignmentForMultipleStoresTest when Page Builder is enabled

Author: davemacaulay

app/code/Magento/PageBuilder/Test/Mftf/Test/AdminProductImageAssignmentForMultipleStoresTest.xml

@@ -0,0 +1,18 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+ /**
+  * Copyright © Magento, Inc. All rights reserved.
+  * See COPYING.txt for license details.
+  */
+-->
+
+<tests xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+       xsi:noNamespaceSchemaLocation="urn:magento:mftf:Test/etc/testSchema.xsd">
+    <test name="AdminProductImageAssignmentForMultipleStoresTest">
+        <annotations>
+            <skip>
+                <issueId value="MC-13841"/>
+            </skip>
+        </annotations>
+    </test>
+</tests>