[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/USECASE/USECASE_SdnipFunction/dependencies/Functions.py b/TestON/tests/USECASE/USECASE_SdnipFunction/dependencies/Functions.py
index 85b732d..a284213 100644
--- a/TestON/tests/USECASE/USECASE_SdnipFunction/dependencies/Functions.py
+++ b/TestON/tests/USECASE/USECASE_SdnipFunction/dependencies/Functions.py
@@ -121,12 +121,10 @@
     """
     if len( speakers ) == 0:
         main.log.error( "Parameter speakers can not be empty." )
-        main.cleanup()
-        main.exit()
+        main.cleanAndExit()
     if len( peers ) == 0:
         main.log.error( "Parameter speakers can not be empty." )
-        main.cleanup()
-        main.exit()
+        main.cleanAndExit()
 
     if expectAllSuccess:
         main.step( "BGP speakers ping peers, expect all tests to succeed" )
@@ -151,8 +149,7 @@
                              onfail = "Ping test results are Not expected" )
 
     if result == False:
-        main.cleanup()
-        main.exit()
+        main.cleanAndExit()
 
 
 def pingHostToHost( main,
@@ -169,8 +166,7 @@
                str( expectAllSuccess ) )
     if len( hosts ) == 0:
         main.log.error( "Parameter hosts can not be empty." )
-        main.cleanup()
-        main.exit()
+        main.cleanAndExit()
 
     result = True
     if expectAllSuccess:
@@ -194,7 +190,6 @@
 
     '''
     if result == False:
-        main.cleanup()
-        main.exit()
+        main.cleanAndExit()
     '''