if ping fail, do not clean and exit

Change-Id: I36411806cd0a3f950b0caf37e647502d6084d7a6
diff --git a/TestON/tests/USECASE_SdnipFunction/USECASE_SdnipFunction.py b/TestON/tests/USECASE_SdnipFunction/USECASE_SdnipFunction.py
index 2f75cb0..9e160d3 100644
--- a/TestON/tests/USECASE_SdnipFunction/USECASE_SdnipFunction.py
+++ b/TestON/tests/USECASE_SdnipFunction/USECASE_SdnipFunction.py
@@ -574,7 +574,7 @@
         main.case( "Stop sw11 located in best path, \
         check route number, P2P intent number, M2S intent number, ping test" )
 
-        main.step( "Check the flow number correctness before stopping sw11" )
+        main.log.info( "Check the flow number correctness before stopping sw11" )
         main.Functions.checkFlowNum( main, "sw11", 13 )
         main.Functions.checkFlowNum( main, "sw1", 3 )
         main.Functions.checkFlowNum( main, "sw7", 3 )
@@ -621,7 +621,7 @@
         main.case( "Start sw11 which was stopped in CASE9, \
         check route number, P2P intent number, M2S intent number, ping test" )
 
-        main.step( "Check the flow status before starting sw11" )
+        main.log.info( "Check the flow status before starting sw11" )
         main.Functions.checkFlowNum( main, "sw1", 11 )
         main.Functions.checkFlowNum( main, "sw7", 5 )
         main.log.info( main.Mininet.checkFlows( "sw1" ) )