Increased tolerance for node stop/start and for topology convergence.

Change-Id: Ie9ea56918011b9e34c5ed6a6d426199bfe3e26d9
diff --git a/tools/test/scenarios/ha-cluster-restart.xml b/tools/test/scenarios/ha-cluster-restart.xml
index 16b4b27..d042bbe 100644
--- a/tools/test/scenarios/ha-cluster-restart.xml
+++ b/tools/test/scenarios/ha-cluster-restart.xml
@@ -25,7 +25,9 @@
             </parallel>
         </group>
 
-        <group name="Recover" requires="~Fail">
+        <step name="Breathe" exec="sleep 5" requires="~Fail"/>
+
+        <group name="Recover" requires="~Breathe,~Fail">
             <parallel var="${OC#}">
                 <step name="Node-Start-${#}" exec="onos-service ${OC#} start"/>
                 <step name="Wait-for-Start-${#}" requires="~Node-Start-${#}"