MAGETWO-64282: Out of stock associated products to configurable are not full page cache cleaned

- Update automation test

Author: VeronikaYarats

app/code/Magento/CatalogInventory/Test/Mftf/Test/AssociatedProductToConfigurableOutOfStockTest.xml

@@ -81,7 +81,6 @@
               <deleteData createDataKey="createConfigChildProduct1" stepKey="deleteConfigChildProduct1"/>
               <deleteData createDataKey="createConfigChildProduct2" stepKey="deleteConfigChildProduct2"/>
               <deleteData createDataKey="createConfigProductAttribute" stepKey="deleteConfigProductAttribute"/>
-              <actionGroup ref="StorefrontSignOutActionGroup" stepKey="StorefrontSignOutActionGroup"/>
           </after>
 
         <!-- Login as a customer -->
@@ -104,6 +103,9 @@
         <waitForElement selector="{{CheckoutShippingMethodsSection.next}}" time="30" stepKey="waitForNextButton"/>
         <click selector="{{CheckoutShippingSection.next}}" stepKey="clickNext"/>
         <click selector="{{CheckoutPaymentSection.placeOrder}}" stepKey="clickPlaceOrder"/>
+
+        <actionGroup ref="StorefrontSignOutActionGroup" stepKey="StorefrontSignOutActionGroup"/>
+
         <amOnPage url="{{StorefrontCategoryPage.url($$simplecategory.name$$)}}" stepKey="onCategoryPage"/>
         <waitForPageLoad stepKey="waitForCategoryLoad"/>