Added 4x4 test case

Change-Id: Id32c3ccf551d27ac8ef55e2b6cd015e4e7013394
diff --git a/TestON/tests/USECASE/USECASE_SegmentRouting/USECASE_SegmentRouting.params b/TestON/tests/USECASE/USECASE_SegmentRouting/USECASE_SegmentRouting.params
index 0ceb4f2..eb55d5f 100755
--- a/TestON/tests/USECASE/USECASE_SegmentRouting/USECASE_SegmentRouting.params
+++ b/TestON/tests/USECASE/USECASE_SegmentRouting/USECASE_SegmentRouting.params
@@ -1,6 +1,6 @@
 <PARAMS>
 
-    <testcases>1,2,11,9, 2,11,9</testcases>
+    <testcases>1,2,11,9,2,11,9,2,11,9,2,11,9</testcases>
 
     <SCALE>
         <size>1</size>