MC-4117: Update banner to use new background images logic

- fix padding selector

Author: anthoula

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

@@ -56,7 +56,7 @@
         <element name="noCssClasses" type="text" selector="(//div[@data-role='banner'])[{{arg1}}][not(@class)]" parameterized="true"/>
         <element name="margins" type="text" selector="(//div[@data-role='banner'])[{{arg1}}][contains(@style,'margin: {{arg2}}px;')]" parameterized="true"/>
         <element name="posterPadding" type="text" selector="(//div[@data-role='banner'])[{{arg1}}]//div[@data-element='overlay'][contains(@style,'padding: {{arg2}}px;')]" parameterized="true"/>
-        <element name="collagePadding" type="text" selector="(//div[@data-role='banner'])[{{arg1}}]//div[@data-element='wrapper'][contains(@style,'padding: {{arg2}};')]" parameterized="true"/>
+        <element name="collagePadding" type="text" selector="(//div[@data-role='banner'])[{{arg1}}]//div[@data-element='wrapper'][contains(@style,'padding: {{arg2}}px;')]" parameterized="true"/>
     </section>
     <section name="BannerOnBackend">
         <element name="base" type="button" selector="(//div[contains(@class,'pagebuilder-banner') and contains(@class,'pagebuilder-content-type')])[{{arg1}}]" parameterized="true"/>
@@ -104,7 +104,7 @@
         <element name="noCssClasses" type="text" selector="(//div[contains(@class,'pagebuilder-banner') and @data-element='main'])[{{arg1}}]" parameterized="true"/>
         <element name="margins" type="text" selector="(//div[contains(@class,'pagebuilder-banner') and @data-element='main'])[{{arg1}}][contains(@style,'margin: {{arg2}}px;')]" parameterized="true"/>
         <element name="posterPadding" type="text" selector="(//div[contains(@class,'pagebuilder-content-type') and contains(@class,'pagebuilder-banner')])[{{arg1}}]//div[@data-element='overlay'][contains(@style,'padding: {{arg2}}px;')]" parameterized="true"/>
-        <element name="collagePadding" type="text" selector="(//div[contains(@class,'pagebuilder-content-type') and contains(@class,'pagebuilder-banner')])[{{arg1}}]//div[@data-element='wrapper'][contains(@style,'padding: {{arg2}};')]" parameterized="true"/>
+        <element name="collagePadding" type="text" selector="(//div[contains(@class,'pagebuilder-content-type') and contains(@class,'pagebuilder-banner')])[{{arg1}}]//div[@data-element='wrapper'][contains(@style,'padding: {{arg2}}px;')]" parameterized="true"/>
     </section>
     <section name="BannerOnConfigurationPanel">
         <element name="textArea" type="text" selector="#pagebuilder_banner_form_message"/>