Fix robot cases due to attachment-point

Change-Id: I36ad6450b7a600f09d600913cd27efafcab690bd
Issue-ID: INT-1097
Signed-off-by: Marcin Migdal <marcin.migdal@nokia.com>
diff --git a/tests/dcaegen2/prh-testcases/assets/ves-event-with-empty-attachment-point/ves-event.json b/tests/dcaegen2/prh-testcases/assets/ves-event-with-empty-attachment-point/ves-event.json
index c1b6dc2..fda6ef1 100644
--- a/tests/dcaegen2/prh-testcases/assets/ves-event-with-empty-attachment-point/ves-event.json
+++ b/tests/dcaegen2/prh-testcases/assets/ves-event-with-empty-attachment-point/ves-event.json
@@ -34,7 +34,7 @@
         "oamV6IpAddress": "val4",
         "softwareVersion": "val7",
         "additionalFields": {
-          "attachmentPoint": ""
+          "attachment-point": ""
         }
       }
     }