slapos_subscription_request: Fix typo

    Reported-by: Romain

master/bt5/slapos_subscription_request/SkinTemplateItem/portal_skins/slapos_subscription_request/SubscriptionRequest_testPaymentBalance.py

@@ -2,7 +2,7 @@ portal = context.getPortalObject()
 payment = context.SubscriptionRequest_verifyPaymentBalanceIsReady()
 
 if payment is not None:
-  if payment.getSimulationState() in ['stopped', 'deliveried']:
+  if payment.getSimulationState() in ['stopped', 'delivered']:
     # Payment Transaction is payed
     return True