Add variable for plot index

Change-Id: I5c296c8a8758d48670668ce6ed3561711215c69e
diff --git a/TestON/tests/HAsingleInstanceRestart/HAsingleInstanceRestart.py b/TestON/tests/HAsingleInstanceRestart/HAsingleInstanceRestart.py
index 2f2b01b..a6b4592 100644
--- a/TestON/tests/HAsingleInstanceRestart/HAsingleInstanceRestart.py
+++ b/TestON/tests/HAsingleInstanceRestart/HAsingleInstanceRestart.py
@@ -159,10 +159,11 @@
         #       index = The number of the graph under plot name
         job = "HAsingleInstanceRestart"
         plotName = "Plot-HA"
+        index = "0"
         graphs = '<ac:structured-macro ac:name="html">\n'
         graphs += '<ac:plain-text-body><![CDATA[\n'
         graphs += '<iframe src="https://onos-jenkins.onlab.us/job/' + job +\
-                  '/plot/' + plotName + '/getPlot?index=0' +\
+                  '/plot/' + plotName + '/getPlot?index=' + index +\
                   '&width=500&height=300"' +\
                   'noborder="0" width="500" height="300" scrolling="yes" ' +\
                   'seamless="seamless"></iframe>\n'