Adding more delay required for Spine topology tests

Change-Id: I384612af64644e0d5ead17374a90654badc10bd8
diff --git a/TestON/tests/CHOtest/CHOtest.params b/TestON/tests/CHOtest/CHOtest.params
index 875a727..ee1ab26 100644
--- a/TestON/tests/CHOtest/CHOtest.params
+++ b/TestON/tests/CHOtest/CHOtest.params
@@ -1,5 +1,5 @@
 <PARAMS>
-    # 1,20,3,[40,5,140,60,160,70,170,80,180,10,5,90,190,71,171,81,181,10,5]*50,21,3,[41,5,141,61,161,72,172,82,182,10,5,91,191,73,173,83,183,10,5]*50,22,3,[42,5,142,62,162,73,174,84,184,10,5,92,192,75,175,85,185,10,5]*50
+    # 1,20,3,[40,5,140,60,160,70,170,80,180,10,5,90,190,71,171,81,181,10,5]*50,21,3,[41,5,141,61,161,72,172,82,182,10,5,91,191,73,173,83,183,10,5]*50,22,3,[42,5,142,62,162,74,174,84,184,10,5,92,192,75,175,85,185,10,5]*50
     # 1. Starts ONOS cluster with 5 nodes
     # 20. Starts Att Topology
     # 21. Starts Chordal Topology
@@ -87,8 +87,9 @@
     </SPINECORELINKS>
 
     <timers>
-        <LinkDiscovery>10</LinkDiscovery>
+        <LinkDiscovery>15</LinkDiscovery>
         <SwitchDiscovery>10</SwitchDiscovery>
+        <IntentPurgeDelay>15</IntentPurgeDelay>
     </timers>
 
 </PARAMS>