[ONOS-6595] Allow TestOn to run with non-default username

Change-Id: Ia88e0435c81b39582ad3125ece5a60ea69b0e9db
diff --git a/TestON/tests/SAMP/SAMPstartTemplate_1node/SAMPstartTemplate_1node.py b/TestON/tests/SAMP/SAMPstartTemplate_1node/SAMPstartTemplate_1node.py
index ce01cdd..ebd7718 100644
--- a/TestON/tests/SAMP/SAMPstartTemplate_1node/SAMPstartTemplate_1node.py
+++ b/TestON/tests/SAMP/SAMPstartTemplate_1node/SAMPstartTemplate_1node.py
@@ -105,7 +105,8 @@
 
         main.case( "Start up " + str( main.numCtrls ) + "-node onos cluster.")
         main.step( "Start ONOS cluster with basic (drivers) app.")
-        stepResult = main.ONOSbench.startBasicONOS( nodeList=main.ONOSip, opSleep=200 )
+        stepResult = main.ONOSbench.startBasicONOS( nodeList=main.ONOSip, opSleep=200,
+                                                    onosUser=main.ONOScli1.user_name )
         utilities.assert_equals( expect=main.TRUE,
                                  actual=stepResult,
                                  onpass="Successfully started basic ONOS cluster ",