MC-3091: Improve MFTF tests for Block Configuration

Author: kieuphan2406

app/code/Magento/PageBuilder/Test/Mftf/ActionGroup/ContentTypeBlockActionGroup.xml

@@ -29,7 +29,7 @@
             <argument name="block"/>
             <argument name="index" defaultValue="1" type="string"/>
         </arguments>
-        <moveMouseOver selector="{{PageBuilderStage.contentTypeInStage(PageBuilderBlockContentType.role)}}" stepKey="onMouseOverContentTypeStage"/>
+        <moveMouseOver selector="{{PageBuilderStage.contentTypeInStageByIndex(PageBuilderBlockContentType.role, index)}}" stepKey="onMouseOverContentTypeStage"/>
         <waitForPageLoad stepKey="waitForPageLoad"/>
         <waitForElementVisible selector="{{BlockOnStage.title(index, block.title)}}" stepKey="wait"/>
         <seeElement selector="{{BlockOnStage.title(index,block.title)}}" stepKey="seeOptionMenuTitle"/>

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

@@ -238,7 +238,7 @@
         <comment userInput="Go to CMS page on storefront and assert disabled block does not exist on page" stepKey="commentAssertDisabledBlockMissingOnStorefront" />
         <amOnPage url="{{_defaultCmsPage.identifier}}" stepKey="amOnStorefrontCMSPage" />
         <waitForPageLoad stepKey="waitForPageLoad"/>
-        <dontSeeElement selector="{{BlockOnStorefront.base('1')}}" stepKey="doNotSeeBlockElementOnStorefront" />
+        <dontSeeElementInDOM selector="{{BlockOnStorefront.base('1')}}" stepKey="doNotSeeBlockElementOnStorefront" />
     </test>
     <test name="BlockDelete">
         <annotations>