MC-3148: Create & Update MFTF Tests

 - update tests and selectors

Author: Cari Spruiell

app/code/Magento/Theme/Test/Mftf/Data/LayoutData.xml

@@ -0,0 +1,14 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+ /**
+  * Copyright © Magento, Inc. All rights reserved.
+  * See COPYING.txt for license details.
+  */
+-->
+
+<entities xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+          xsi:noNamespaceSchemaLocation="../../../../../../../dev/tests/acceptance/vendor/magento/magento2-functional-testing-framework/src/Magento/FunctionalTestingFramework/DataGenerator/etc/dataProfileSchema.xsd">
+    <entity name="Layout" type="pagebuilder_layout">
+        <data key="1column">1 column</data>
+    </entity>
+</entities>