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

Change-Id: I31c923347dd8fac018aaf47868394552a2deefbc
diff --git a/TestON/tests/SCPF/SCPFhostLat/SCPFhostLat.py b/TestON/tests/SCPF/SCPFhostLat/SCPFhostLat.py
index bfbe95d..e3af24a 100644
--- a/TestON/tests/SCPF/SCPFhostLat/SCPFhostLat.py
+++ b/TestON/tests/SCPF/SCPFhostLat/SCPFhostLat.py
@@ -122,7 +122,7 @@
                                        main.Mininet1.ip_address,
                                        main.apps,
                                        tempOnosIp,
-                                       main.ONOScli1.user_name )
+                                       main.ONOScli1.karafUser )
 
         main.step( "Apply cell to environment" )
         cellResult = main.ONOSbench.setCell( "temp" )