Working STC trellis-p4 scenario with connectivity test

Change-Id: I3ec166856a6a8a3ee705d392ace74b0677aa7ad5
diff --git a/tools/test/scenarios/net-trellis-p4-hosts.xml b/tools/test/scenarios/net-trellis-p4-hosts.xml
new file mode 100644
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+++ b/tools/test/scenarios/net-trellis-p4-hosts.xml
@@ -0,0 +1,32 @@
+<!--
+  ~ Copyright 2018-present Open Networking Foundation
+  ~
+  ~ 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="net-trellis-p4-hosts" description="Trellis P4 network host check steps">
+
+        <group name="Net-Trellis-P4-Hosts">
+            <step name="Net-Trellis-P4-Hosts.Host-1"
+                  exec="onos-find-host ${OC1} 00:AA:00:00:00:01 device:bmv2:s204/3 10.0.2.1"/>
+            <step name="Net-Trellis-P4-Hosts.Host-2"
+                  exec="onos-find-host ${OC1} 00:AA:00:00:00:02 device:bmv2:s204/4 10.0.2.2"/>
+            <step name="Net-Trellis-P4-Hosts.Host-3"
+                  exec="onos-find-host ${OC1} 00:AA:00:00:00:03 device:bmv2:s205/3 10.0.3.1"/>
+            <step name="Net-Trellis-P4-Hosts.Host-4"
+                  exec="onos-find-host ${OC1} 00:AA:00:00:00:04 device:bmv2:s205/4 10.0.3.2"/>
+        </group>
+
+</scenario>