AC-12726::[2.4.8-beta1] TinyMCE 5 migration to TinyMCE 7

Author: djadobe16

app/code/Magento/Backend/Test/Mftf/Section/AdminMessagesSection.xml

@@ -13,7 +13,7 @@
         <!-- Set One - more specific, works for most of message blocks -->
         <element name="success" type="text" selector="#messages div.message-success"/>
         <element name="nthSuccess" type="text" selector=".message.message-success.success:nth-of-type({{n}})>div" parameterized="true"/>
-        <element name="error" type="text" selector="#messages div.message-error"/>
+        <element name="error" type="text" selector="#messages div.message-error>div"/>
         <element name="notice" type="text" selector=".message.message-notice.notice"/>
         <element name="messageByType" type="text" selector="#messages div.message-{{messageType}}" parameterized="true" />
         <element name="warning" type="text" selector="#messages div.message-warning"/>