STC work in progress

Change-Id: Ie5e444e3b560b605b066899289cdee7a5fe8338c
diff --git a/tools/test/scenarios/prerequisites.xml b/tools/test/scenarios/prerequisites.xml
new file mode 100644
index 0000000..55d8c0d
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+++ b/tools/test/scenarios/prerequisites.xml
@@ -0,0 +1,25 @@
+<!--
+  ~ Copyright 2015 Open Networking Laboratory
+  ~
+  ~ Licensed under the Apache License, Version 2.0 (the "License");
+  ~ you may not use this file except in compliance with the License.
+  ~ You may obtain a copy of the License at
+  ~
+  ~     http://www.apache.org/licenses/LICENSE-2.0
+  ~
+  ~ Unless required by applicable law or agreed to in writing, software
+  ~ distributed under the License is distributed on an "AS IS" BASIS,
+  ~ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+  ~ See the License for the specific language governing permissions and
+  ~ limitations under the License.
+  -->
+<scenario name="prerequisites" description="ONOS test pre-requisites">
+    <group name="Prerequisites">
+        <step name="Check-Environment" exec="test -n ${ONOS_ROOT} -a -n ${ONOS_NIC} -a -n ${OC1}"/>
+        <step name="Check-ONOS-Bits" exec="onos-check-bits"/>
+        <parallel var="${OC#}">
+            <step name="Check-Passwordless-Login-${#}"
+                  exec="ssh -n -o ConnectTimeout=3 -o PasswordAuthentication=no sdn@${OC#} date"/>
+        </parallel>
+    </group>
+</scenario>