MC-3148: Create & Update MFTF Tests

 - rename file and update type

Author: Cari Spruiell

app/code/Magento/Theme/Test/Mftf/Data/LayoutData.xml renamed to app/code/Magento/Theme/Test/Mftf/Data/DesignData.xml

@@ -8,7 +8,7 @@
 
 <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">
+    <entity name="Layout" type="page_layout">
         <data key="1column">1 column</data>
     </entity>
 </entities>