[ONOS-6819] - Update TestON File Headers

Change-Id: I338b6827c2322302c884d9427bf72ebeb345ec86
diff --git a/TestON/core/teston.py b/TestON/core/teston.py
index bc65be4..74a4eac 100644
--- a/TestON/core/teston.py
+++ b/TestON/core/teston.py
@@ -1,7 +1,7 @@
 #!/usr/bin/env python
 '''
 Created on 22-Oct-2012
-Modified 2017 by ON.Lab
+Copyright 2012 Open Networking Foundation (ONF)
 
 Please refer questions to either the onos test mailing list at <onos-test@onosproject.org>,
 the System Testing Plans and Results wiki page at <https://wiki.onosproject.org/x/voMg>,