[ONOS-8087] Per device purgeOnDisconnection Flag

Change-Id: I7cb1db12a4d910d70123f116107a898bf9e6d278
diff --git a/app/src/test/java/org/onosproject/segmentrouting/IcmpHandlerTest.java b/app/src/test/java/org/onosproject/segmentrouting/IcmpHandlerTest.java
index cc7c6a8..68472de 100644
--- a/app/src/test/java/org/onosproject/segmentrouting/IcmpHandlerTest.java
+++ b/app/src/test/java/org/onosproject/segmentrouting/IcmpHandlerTest.java
@@ -139,6 +139,7 @@
 
         // Apply config
         MockNetworkConfigRegistry mockNetworkConfigRegistry = new MockNetworkConfigRegistry();
+
         mockNetworkConfigRegistry.applyConfig(remoteLeafConfig);
         mockNetworkConfigRegistry.applyConfig(remoteLeafPorts1Config);
         mockNetworkConfigRegistry.applyConfig(remoteLeafPorts2Config);