MQE-2153: bump MFTF version to 3.0.0-RC4

Author: jilu1

app/code/Magento/CatalogSearch/Test/Mftf/Test/StorefrontCheckUnableAdvancedSearchWithNegativePriceTest.xml

@@ -13,6 +13,7 @@
             <stories value="Use Advanced Search"/>
             <title value="Unable negative price use to advanced search"/>
             <description value="Check unable negative price use to advanced search by price from and price to"/>
+            <severity value="MAJOR"/>
         </annotations>
         <actionGroup ref="StorefrontOpenHomePageActionGroup" stepKey="goToStorefront"/>
         <actionGroup ref="StorefrontOpenAdvancedSearchActionGroup" stepKey="openAdvancedSearch"/>

app/code/Magento/Cms/Test/Mftf/Test/AdminDeleteCmsPageTest.xml

@@ -14,6 +14,7 @@
             <stories value="Delete a CMS Page via the Admin"/>
             <title value="Admin should be able to delete CMS Pages"/>
             <description value="Admin should be able to delete CMS Pages"/>
+            <severity value="CRITICAL"/>
             <group value="Cms"/>
             <group value="WYSIWYGDisabled"/>
         </annotations>

app/code/Magento/Sales/Test/Mftf/Test/StorefrontCreateOrdersWithMoveJSCodeBottomTest.xml

@@ -10,8 +10,10 @@
        xsi:noNamespaceSchemaLocation="urn:magento:mftf:Test/etc/testSchema.xsd">
     <test name="StorefrontCreateOrdersWithMoveJSCodeBottomTest">
         <annotations>
+            <stories value="Create a product and orders with set 'Move Js code to the bottom' to 'Yes'."/>
             <title value="Create a product and orders with set 'Move Js code to the bottom' to 'Yes'."/>
             <description value="Create a product and orders with a set 'Move JS code to the bottom of the page' to 'Yes' for registered customers and guests."/>
+            <severity value="MAJOR"/>
         </annotations>
         <before>
             <magentoCLI command="config:set {{StorefrontEnableMoveJsCodeBottom.path}} {{StorefrontEnableMoveJsCodeBottom.value}}" stepKey="moveJsCodeBottomEnable"/>