Run onos-service stop before killing onos

Change-Id: I5d5423e7c695958b8e23e3b6934dd1263dd65c88
(cherry picked from commit b98a9fa77d46cca8049fc9c181d21bec4f180174)
diff --git a/TestON/tests/SCPF/SCPFhostLat/SCPFhostLat.py b/TestON/tests/SCPF/SCPFhostLat/SCPFhostLat.py
index 42159b4..8344cc4 100644
--- a/TestON/tests/SCPF/SCPFhostLat/SCPFhostLat.py
+++ b/TestON/tests/SCPF/SCPFhostLat/SCPFhostLat.py
@@ -116,7 +116,8 @@
                        " before initiating environment setup" )
 
         for i in range( main.numCtrls ):
-            main.ONOSbench.onosDie( main.ONOSip[ i ] )
+            main.ONOSbench.onosStop( main.ONOSip[ i ] )
+            main.ONOSbench.onosKill( main.ONOSip[ i ] )
 
         main.log.info( "NODE COUNT = %s" % main.numCtrls)