MC-19921: Create static tests for object variables inside E-mail templates

Author: nathanjosiah

app/code/Magento/Checkout/view/adminhtml/email/failed_payment.html

@@ -20,7 +20,7 @@
 } @-->
 
 <h1>{{trans "Payment Transaction Failed"}}</h1>
-{{var staticerror}}
+
 <ul>
     <li>
         <strong>{{trans "Reason"}}</strong><br />