[ONOS-7475] Refactoring SR tests

Change-Id: I10e51fcb8b416167e6a338e9030933162640af89
diff --git a/TestON/tests/USECASE/SegmentRouting/SRBridging/SRBridging.params b/TestON/tests/USECASE/SegmentRouting/SRBridging/SRBridging.params
index 0fbda47..9ca0543 100644
--- a/TestON/tests/USECASE/SegmentRouting/SRBridging/SRBridging.params
+++ b/TestON/tests/USECASE/SegmentRouting/SRBridging/SRBridging.params
@@ -13,6 +13,8 @@
     </SCALE>
 
     <DEPENDENCY>
+        <useCommonConf>False</useCommonConf>
+        <useCommonTopo>True</useCommonTopo>
         <topology>trellis_fabric.py</topology>
         <lib>routinglib.py,trellislib.py</lib>
     </DEPENDENCY>