AC-12719: [PageBuilder] MFTF Test Failure - videos playing assertion fails

Add custom actionGroup to assert video not playing MC-31332

Author: sumesh-GL

app/code/Magento/PageBuilder/Test/Mftf/ActionGroup/BackgroundConfigurationActionGroup/ValidateVideoBackgroundLoadedButNotPlayingAlternateActionGroup.xml

@@ -0,0 +1,30 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+ /**
+  * ADOBE CONFIDENTIAL
+  *
+  * Copyright 2025 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.
+  */
+-->
+<actionGroups xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+	xsi:noNamespaceSchemaLocation="urn:magento:mftf:Test/etc/actionGroupSchema.xsd">
+    <actionGroup name="ValidateVideoBackgroundLoadedButNotPlayingAlternateActionGroup" extends="validateVideoBackgroundPlaying">
+        <annotations>
+            <description>Validates that the video in the video background is loaded but not playing.</description>
+        </annotations>
+        <assertStringNotContainsString stepKey="assertVideoPlaying">
+            <expectedResult type="string">visibility: hidden(</expectedResult>
+            <actualResult type="variable">$videoStyle</actualResult>
+        </assertStringNotContainsString>
+    </actionGroup>
+</actionGroups>

app/code/Magento/PageBuilder/Test/Mftf/Test/AdminPageBuilderRowBackgroundAttributeTest/RowValidateVideoBackgroundPlayOnlyWhenVisibleEnabled.xml

@@ -111,7 +111,7 @@
         </actionGroup>
         <scrollToTopOfPage stepKey="scrollToTopOfPage"/>
         <!-- Stage: Validate Video is not Playing -->
-        <actionGroup ref="validateVideoBackgroundLoadedButNotPlaying" stepKey="validateVideoNotPlayingStage1">
+        <actionGroup ref="ValidateVideoBackgroundLoadedButNotPlayingAlternateActionGroup" stepKey="validateVideoNotPlayingStage1">
             <argument name="section" value="RowOnStage"/>
             <argument name="videoUrl" value="PageBuilderVideoBackgroundUrl_YouTube_NonEmbedded"/>
             <argument name="index" value="4"/>