[ONOS-7319]: Fix to the FUNCnetCfg test inconsistencies.

Change-Id: Ia18543aea9c97d7481245817aa72d23cbf5e8048
diff --git a/TestON/tests/FUNC/FUNCnetCfg/FUNCnetCfg.py b/TestON/tests/FUNC/FUNCnetCfg/FUNCnetCfg.py
index cb80126..6aba822 100644
--- a/TestON/tests/FUNC/FUNCnetCfg/FUNCnetCfg.py
+++ b/TestON/tests/FUNC/FUNCnetCfg/FUNCnetCfg.py
@@ -685,12 +685,18 @@
                                                          subjectKey="of:0000000000000005",
                                                          configKey="basic" )
 
+        # Wait 5 secs after set up netCfg
+        time.sleep( main.SetNetCfgSleep )
+
         s6Json = main.s6Json
         setS1 = main.Cluster.active( 0 ).REST.setNetCfg( s6Json,
                                                          subjectClass="devices",
                                                          subjectKey="of:0000000000000006",
                                                          configKey="basic" )
 
+        # Wait 5 secs after set up netCfg
+        time.sleep( main.SetNetCfgSleep )
+
     def CASE27( self, main ):
         """
         1 ) A = get /network/configuration