Fix to obtain real US connection entry

lib/dl_core_testing/dl_core_testing/connection.py

@@ -80,7 +80,7 @@ def make_saved_connection(
 ) -> ConnectionBase:
     conn = make_connection(us_manager=sync_usm, conn_type=conn_type, conn_name=conn_name, data_dict=data_dict)
     sync_usm.save(conn)
-    return conn
+    return sync_usm.get_by_id(conn.uuid)
 
 
 def make_saved_connection_from_db(