MC-3565: Build stabilization for MC-1438

Fix textareaPlaceholder selector

Author: danmooney2

app/code/Magento/PageBuilder/Test/Mftf/Section/PageBuilderTextSection.xml

@@ -15,7 +15,7 @@
         <element name="mcePlaceholder" type="text" selector="(//div[contains(@class,'pagebuilder-text')])[{{arg1}}]/div//*[starts-with(@id, '{{arg2}}')]" parameterized="true"/>
         <element name="placeholder" type="text" selector="(//div[contains(@class,'pagebuilder-text')])[{{arg1}}]//div[contains(@class, 'placeholder-text') and text()='Edit Text']" parameterized="true"/>
         <element name="textArea" type="text" selector="(//div[contains(@class,'pagebuilder-text')])[{{arg}}]//textarea[contains(@class,'inline-wysiwyg-textarea')]" parameterized="true"/>
-        <element name="textareaPlaceholder" type="text" selector="(//div[contains(@class,'pagebuilder-text')])[{{arg1}}]//div[contains(@class, 'live-edit-text placeholder-text') and contains(@data-placeholder,'Edit Text')]" parameterized="true"/>
+        <element name="textareaPlaceholder" type="text" selector="(//div[contains(@class,'pagebuilder-text')])[{{arg1}}]//textarea[contains(@class, 'inline-wysiwyg-textarea') and contains(@placeholder,'Edit Text')]" parameterized="true"/>
         <element name="tinymce" type="text" selector="(//div[contains(@class,'pagebuilder-text')])[{{arg}}]//div[contains(@class, 'inline-wysiwyg')]" parameterized="true"/>
         <element name="importantStyle" type="text" selector="//span[text()='Important']"/>
         <element name="textInImportantStyle" type="text" selector="(//div[contains(@class,'pagebuilder-text')])[{{arg1}}]//div[contains(normalize-space(@class), 'cms-content-important') and text()='{{arg2}}']" parameterized="true"/>