Fix typo in SRRouting test case 8

Change-Id: I1a87c7c0f6e6b9e57ca08bbdc66f40b3c02f582d
diff --git a/TestON/tests/USECASE/SegmentRouting/SRRouting/SRRouting.py b/TestON/tests/USECASE/SegmentRouting/SRRouting/SRRouting.py
index 8bfade8..b9e2b8e 100644
--- a/TestON/tests/USECASE/SegmentRouting/SRRouting/SRRouting.py
+++ b/TestON/tests/USECASE/SegmentRouting/SRRouting/SRRouting.py
@@ -93,7 +93,7 @@
         from tests.USECASE.SegmentRouting.dependencies.Testcaselib import Testcaselib as lib
         main.case( "Ping between from ipv6 hosts to external host configured with route-add command" )
         setupTest( main, test_idx=8, onosNodes=3, ipv4=False, external=False )
-        verify( main, ipv6=False, internal=False, disconnected=False )
+        verify( main, ipv4=False, internal=False, disconnected=False )
         lib.cleanup( main, copyKarafLog=False, removeHostComponent=True )
 
     def CASE9( self, main ):