[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/FUNC/FUNCnetconf/FUNCnetconf.py b/TestON/tests/FUNC/FUNCnetconf/FUNCnetconf.py
index 798c800..d518c5a 100644
--- a/TestON/tests/FUNC/FUNCnetconf/FUNCnetconf.py
+++ b/TestON/tests/FUNC/FUNCnetconf/FUNCnetconf.py
@@ -45,7 +45,7 @@
             main.testSetUp = ONOSSetup()
         except ImportError:
             main.log.error( "ONOSSetup not found. exiting the test" )
-            main.exit()
+            main.cleanAndExit()
         main.testSetUp.envSetupDescription()
         stepResult = main.FALSE
 
@@ -117,7 +117,7 @@
             from tests.dependencies.utils import Utils
         except ImportError:
             main.log.error( "Utils not found exiting the test" )
-            main.exit()
+            main.cleanAndExit()
         try:
             main.Utils
         except ( NameError, AttributeError ):