adding debug cmd to test teardown

Change-Id: I403e0229e323826c61de4e847a84a1a5f32cb9fe
diff --git a/libraries/onos.robot b/libraries/onos.robot
index 6416dd2..39a10e1 100644
--- a/libraries/onos.robot
+++ b/libraries/onos.robot
@@ -32,6 +32,7 @@
     ${conn_id}=    SSHLibrary.Open Connection    ${host}    port=${port}    prompt=onos>    timeout=300s
     SSHLibrary.Login    karaf    karaf
     ${output}=    SSHLibrary.Execute Command    ${cmd}
+    Log    ${output}
     SSHLibrary.Close Connection
     [Return]    ${output}