Fix typo

Change-Id: I7a5f8fd2e3dc8ad7f9f3fabc35ccdf4656bc35f1
diff --git a/TestON/tests/USECASE_SegmentRouting/USECASE_SegmentRouting.params b/TestON/tests/USECASE_SegmentRouting/USECASE_SegmentRouting.params
index a9493e2..93c957f 100755
--- a/TestON/tests/USECASE_SegmentRouting/USECASE_SegmentRouting.params
+++ b/TestON/tests/USECASE_SegmentRouting/USECASE_SegmentRouting.params
@@ -16,7 +16,7 @@
     <ENV>
         <cellName>productionCell</cellName>
         <cellApps>drivers,openflow-base,netcfghostprovider,netcfglinksprovider,segmentrouting,vrouter,hostprovider</cellApps>
-        <cellUser>sdn<cellUser>
+        <cellUser>sdn</cellUser>
     </ENV>
 
     <GIT>