MQE-1519: Deliver weekly MTF conversion PR

- Increase wait from 15 to 30 for shipping on cart page

Author: tomreece

app/code/Magento/Checkout/Test/Mftf/ActionGroup/AssertStorefrontShoppingCartSummaryWithShippingActionGroup.xml

@@ -14,7 +14,7 @@
         <waitForLoadingMaskToDisappear stepKey="waitForMaskToDisappear" after="assertSubtotal"/>
         <waitForElementVisible selector="{{CheckoutCartSummarySection.shipping}}" time="60" stepKey="waitForElementToBeVisible" after="waitForMaskToDisappear"/>
         <!-- Shipping can take a long time to change in builds, can't rely on an explicit wait-->
-        <wait time="15" stepKey="waitForShippingDetailsToLoad" after="waitForElementToBeVisible"/>
+        <wait time="30" stepKey="waitForShippingDetailsToLoad" after="waitForElementToBeVisible"/>
         <see userInput="{{shipping}}" selector="{{CheckoutCartSummarySection.shipping}}" stepKey="assertShipping" after="waitForShippingDetailsToLoad" />
     </actionGroup>
 </actionGroups>