[mainline-integration-tests] Fixing the flaky test StoreFrontGuestCheckingWithMultishipmentTest

Author: Keerthana81187

app/code/Magento/Customer/Test/Mftf/Section/StorefrontCustomerSignInFormSection/StorefrontCustomerSignInPopupFormSection.xml

@@ -13,6 +13,6 @@
         <element name="password" type="input" selector="#pass"/>
         <element name="signIn" type="button" selector="(//button[@id='send2'][contains(@class, 'login')])[1]" timeout="30"/>
         <element name="forgotYourPassword" type="button" selector="//a[@class='action']//span[contains(text(),'Forgot Your Password?')]" timeout="30"/>
-        <element name="createAnAccount" type="button" selector="//div[contains(@class,'actions-toolbar')]//a[contains(.,'Create an Account')]" timeout="30"/>
+        <element name="createAnAccount" type="button" selector="(//div[contains(@class,'actions-toolbar')]//a[contains(.,'Create an Account')])[last()]" timeout="30"/>
     </section>
 </sections>