Fix HA tests to match recent ONOS changes

- Minor refactoring to prepare for Upgrade tests
- Fix for change in raft log location
- Fix for auto balancing of leader electors
- Fix for path not found being printed as an exception for intents

Change-Id: I55af0d09c9b3bf74c0f221e7caa6840373a8779d
diff --git a/TestON/tests/HA/HAcontinuousStopNodes/HAcontinuousStopNodes.py b/TestON/tests/HA/HAcontinuousStopNodes/HAcontinuousStopNodes.py
index 8238b94..b7385fe 100644
--- a/TestON/tests/HA/HAcontinuousStopNodes/HAcontinuousStopNodes.py
+++ b/TestON/tests/HA/HAcontinuousStopNodes/HAcontinuousStopNodes.py
@@ -142,7 +142,7 @@
             assert main.killCount is not None, "main.killCount not defined"
         except AttributeError as e:
             main.log.warn( "Node to kill not selected, defaulting to node 1" )
-            main.nodeIndex = 0
+            main.nodeIndex = -1
             main.killCount = 1
 
         main.case( "Stopping ONOS nodes - iteration " + str( main.killCount ) )
@@ -168,6 +168,7 @@
         utilities.assert_equals( expect=main.TRUE, actual=killResults,
                                  onpass="ONOS nodes stopped successfully",
                                  onfail="ONOS nodes NOT successfully stopped" )
+        main.Cluster.reset()
 
         main.step( "Checking ONOS nodes" )
         nodeResults = utilities.retry( main.Cluster.nodesCheck,
@@ -193,7 +194,7 @@
         """
         The bring up stopped nodes
         """
-        main.HA.bringUpStoppedNode( main )
+        main.HA.bringUpStoppedNodes( main )
 
     def CASE7( self, main ):
         """