MAGETWO-91624: Braintree saved cards use billing address the same as shipping

- Add signout action

Author: lusinehak

app/code/Magento/Braintree/Test/Mftf/Test/BraintreeCreditCardOnCheckoutTest.xml

@@ -35,6 +35,7 @@
             <deleteData createDataKey="category" stepKey="deleteCategory"/>
             <createData entity="DefaultBraintreeConfig" stepKey="DefaultBraintreeConfig"/>
             <createData entity="RollBackCustomBraintreeConfigurationData" stepKey="RollBackCustomBraintreeConfigurationData"/>
+            <actionGroup ref="StorefrontSignOutActionGroup" stepKey="StorefrontSignOutActionGroup"/>
         </after>
         <!--Go to storefront-->
         <amOnPage url="" stepKey="DoToStorefront"/>

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

@@ -145,4 +145,11 @@
         <see selector="{{CheckoutSuccessMainSection.success}}" userInput="{{emailYouMessage}}" stepKey="seeEmailYou"/>
     </actionGroup>
 
+    <actionGroup name="StorefrontSignOutActionGroup">
+        <click selector="{{StoreFrontSignOutSection.customerAccount}}" stepKey="clickCustomerButton"/>
+        <click selector="{{StoreFrontSignOutSection.signOut}}" stepKey="clickToSignOut"/>
+        <waitForPageLoad stepKey="waitForPageLoad"/>
+        <see userInput="You are signed out" stepKey="signOut"/>
+    </actionGroup>
+
 </actionGroups>

app/code/Magento/Checkout/Test/Mftf/Section/StoreFrontSignOutSection.xml

@@ -0,0 +1,15 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+ /**
+  * Copyright © Magento, Inc. All rights reserved.
+  * See COPYING.txt for license details.
+  */
+-->
+
+<sections xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+          xsi:noNamespaceSchemaLocation="urn:magento:mftf:Page/etc/SectionObject.xsd">
+    <section name="StoreFrontSignOutSection">
+        <element name="customerAccount" type="button" selector=".customer-name"/>
+        <element name="signOut" type="button" selector="div.customer-menu  li.authorization-link"/>
+    </section>
+</sections>