[ONOS-6619] Allow different bash prompts in TestON components, Also including part of ONOS-6595

Change-Id: I31c923347dd8fac018aaf47868394552a2deefbc
diff --git a/TestON/tests/SAMP/SAMPstartTemplate_3node/SAMPstartTemplate_3node.py b/TestON/tests/SAMP/SAMPstartTemplate_3node/SAMPstartTemplate_3node.py
index ba9a3cc..8d8faed 100644
--- a/TestON/tests/SAMP/SAMPstartTemplate_3node/SAMPstartTemplate_3node.py
+++ b/TestON/tests/SAMP/SAMPstartTemplate_3node/SAMPstartTemplate_3node.py
@@ -97,7 +97,8 @@
 
         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.karafUser )
         utilities.assert_equals( expect=main.TRUE,
                                  actual=stepResult,
                                  onpass="Successfully started basic ONOS cluster ",