MC-3148: Create & Update MFTF Tests

- Fix contained selector

Author: davemacaulay

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

@@ -31,7 +31,7 @@
         <element name="rowChildrenStyle" type="text" selector="(//div[contains(@class, 'pagebuilder-row')])[{{arg1}}]//div[contains(@class, 'element-children') and contains(@class, 'row-container')][contains(@style, '{{arg2}}')]" parameterized="true"/>
         <element name="rowWidthJS" type="text" selector="document.querySelectorAll('[data-appearance=\'{{arg1}}\']')[{{arg2}}].clientWidth" parameterized="true"/>
         <element name="rowH2ChildWidthJS" type="text" selector="document.querySelectorAll('div[data-appearance~=\'{{arg1}}\'] .element-children')[{{arg2}}].clientWidth" parameterized="true"/>
-        <element name="appearanceContained" type="text" selector="(//div[contains(@class,'row-contained')])[{{arg1}}][@data-appearance='{{arg2}}']" parameterized="true"/>
+        <element name="appearanceContained" type="text" selector="(//div[@data-role='row'])[{{arg1}}][@data-appearance='{{arg2}}']" parameterized="true"/>
         <element name="appearanceFullWidthFullBleed" type="text" selector="(//div[contains(@class,'pagebuilder-content-type') and contains(@class,'pagebuilder-row')])[{{arg1}}][@data-appearance='{{arg2}}']" parameterized="true"/>
 
         <!-- Background Configuration -->