increase delay time to wait test subscription get retrieved by notification service

testing/notification-test-azure/src/test/java/org/opengroup/osdu/notification/api/TestStorageIntegration.java

@@ -148,7 +148,7 @@ public class TestStorageIntegration extends BaseTestTemplate {
             logger.info("Actual subscription with a test endpoint created successfully");
 
             // Delay to get the above subscription registered by Notification Service
-            TimeUnit.SECONDS.sleep(60);
+            TimeUnit.SECONDS.sleep(600);
             logger.info("Subscription registered by Notification service successfully");
 
             // Delete the Test Ack subscription if there exists any as a part of cleanup.