[ONOS-6901] Fix how the systemTest does not return any result when it forced to quit the test

Change-Id: If93c48d46e8dc2494046b42de21f732775d7f520
diff --git a/TestON/tests/HA/HAkillNodes/HAkillNodes.py b/TestON/tests/HA/HAkillNodes/HAkillNodes.py
index e81dda9..63e34cb 100644
--- a/TestON/tests/HA/HAkillNodes/HAkillNodes.py
+++ b/TestON/tests/HA/HAkillNodes/HAkillNodes.py
@@ -77,7 +77,7 @@
             main.testSetUp = ONOSSetup()
         except ImportError:
             main.log.error( "ONOSSetup not found. exiting the test" )
-            main.exit()
+            main.cleanAndExit()
         main.testSetUp.envSetupDescription()
         try:
             from tests.HA.dependencies.HA import HA
@@ -177,8 +177,7 @@
                     ctrl.name,
                     ctrl.CLI.sendline( "scr:list | grep -v ACTIVE" ) ) )
             main.log.error( "Failed to start ONOS, stopping test" )
-            main.cleanup()
-            main.exit()
+            main.cleanAndExit()
 
     def CASE62( self, main ):
         """