[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/SCPF/SCPFscaleTopo/dependencies/scaleTopoFunction.py b/TestON/tests/SCPF/SCPFscaleTopo/dependencies/scaleTopoFunction.py
index 6f2647d..ae30723 100644
--- a/TestON/tests/SCPF/SCPFscaleTopo/dependencies/scaleTopoFunction.py
+++ b/TestON/tests/SCPF/SCPFscaleTopo/dependencies/scaleTopoFunction.py
@@ -247,7 +247,7 @@
         from tests.dependencies.topology import Topology
     except ImportError:
         main.log.error( "Topology not found exiting the test" )
-        main.exit()
+        main.cleanAndExit()
     try:
         main.topoRelated
     except ( NameError, AttributeError ):