Fixing a few tools to work with the new REST security stuff.

Change-Id: I1fcff24bf57e3198c16df5a6e42d721a004e9097
diff --git a/tools/test/scenarios/tar-setup.xml b/tools/test/scenarios/tar-setup.xml
index 8420528..e330b2d 100644
--- a/tools/test/scenarios/tar-setup.xml
+++ b/tools/test/scenarios/tar-setup.xml
@@ -16,7 +16,7 @@
 <scenario name="tar-setup" description="ONOS cluster setup via onos.tar.gz">
     <group name="Setup-Instances">
         <step name="Push-Bits" exec="onos-push-bits-through-proxy" if="${OCT}"/>
-        <step name="Secure-SSH" exec="onos-secure-ssh" if="${ONOS_USE_SSH}"/>
+        <step name="Secure-SSH" exec="onos-secure-ssh -u ${ONOS_WEB_USER} -p ${ONOS_WEB_PASS}" if="${ONOS_USE_SSH}"/>
 
         <parallel var="${OC#}">
             <step name="Push-Bits-${#}" exec="onos-push-bits ${OC#}" unless="${OCT}"/>
@@ -44,7 +44,7 @@
     </group>
 
     <group name="Setup-Cluster" requires="Setup-Instances" unless="${NO_CLUSTER}">
-        <step name="Form-Cluster" exec="onos-form-cluster cell"/>
+        <step name="Form-Cluster" exec="onos-form-cluster -u ${ONOS_WEB_USER} -p ${ONOS_WEB_PASS} cell"/>
         <parallel var="${OC#}">
             <step name="Wait-for-Start-Again-${#}" exec="onos-wait-for-start ${OC#}"
                   requires="Form-Cluster"/>