TT#78166 - Fix SubscriberRegistrations test case

* PUT updates path of registration and DELETE
	   with the old path failed; deleting with new
	   path fixed the problem

Change-Id: Iaaf08a6e2034cb312462c5eafb0fd5daf535a2e7
(cherry picked from commit 853b8b24ae)

t/api-rest2/SubscriberRegistrations.yaml

@@ -330,7 +330,7 @@
     name: DELETE subscriberregistrations
     type: item
     method: DELETE
-    path: '/${subscriberregistrations_path4}'
+    path: '/${subscriberregistrations_path_updated}'
     conditions:
         is:
             code: 204