adding debug cmd to test teardown

Change-Id: I403e0229e323826c61de4e847a84a1a5f32cb9fe
diff --git a/tests/sanity/sanity.robot b/tests/sanity/sanity.robot
index bbbadc1..9e5db76 100644
--- a/tests/sanity/sanity.robot
+++ b/tests/sanity/sanity.robot
@@ -24,6 +24,7 @@
 Resource          ${CURDIR}/../../variables/variables.robot
 Suite Setup       Setup
 Suite Teardown    Teardown
+Test Teardown     Execute ONOS Command    ${server_ip}    ${ONOS_SSH_PORT}    flows -s
 
 *** Variables ***
 ${server_ip}        localhost