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

Change-Id: I31c923347dd8fac018aaf47868394552a2deefbc
diff --git a/TestON/tests/FUNC/FUNCgroup/FUNCgroup.py b/TestON/tests/FUNC/FUNCgroup/FUNCgroup.py
index 29b2d2a..4c80ee0 100644
--- a/TestON/tests/FUNC/FUNCgroup/FUNCgroup.py
+++ b/TestON/tests/FUNC/FUNCgroup/FUNCgroup.py
@@ -137,7 +137,7 @@
                                        "temp",
                                        main.Mininet1.ip_address,
                                        main.apps,
-                                       tempOnosIp, main.ONOScli1.user_name )
+                                       tempOnosIp, main.ONOScli1.karafUser )
 
         main.step( "Apply cell to environment" )
         cellResult = main.ONOSbench.setCell( "temp" )