make the fsfw ip configurable

Change-Id: I97b3f826c2fc359cb1959d4c23191868c274fc89
diff --git a/TestON/tests/USECASE_SdnipFunction_fsfw/USECASE_SdnipFunction_fsfw.py b/TestON/tests/USECASE_SdnipFunction_fsfw/USECASE_SdnipFunction_fsfw.py
index 885a561..68571c7 100644
--- a/TestON/tests/USECASE_SdnipFunction_fsfw/USECASE_SdnipFunction_fsfw.py
+++ b/TestON/tests/USECASE_SdnipFunction_fsfw/USECASE_SdnipFunction_fsfw.py
@@ -33,9 +33,11 @@
         global ONOS1Ip
         ONOS1Ip = os.getenv( main.params[ 'CTRL' ][ 'ip1' ] )
         global fsfwIp
-        fsfwIp = os.getenv( main.params[ 'CTRL' ][ 'ipN' ] )
+        # TDOO: there is some setup sequence issue, will fix it later
+        # fsfwIp = os.getenv( main.params[ 'CTRL' ][ 'ipN' ] )
+        fsfwIp = main.params[ 'CTRL' ][ 'fsfwIp' ]
         global fsfwPort
-        fsfwPort = os.getenv( main.params[ 'CTRL' ][ 'fsfwPort' ] )
+        fsfwPort = main.params[ 'CTRL' ][ 'fsfwPort' ]
 
         # connect all switches to controller
         swResult = main.TRUE