Getting the tests to work with ONOS-2.2

Change-Id: Ic1981a23640b2d27018298ef685b29340a1bd3ec
diff --git a/libraries/onos.robot b/libraries/onos.robot
index e9dfa63..5c3dd0a 100644
--- a/libraries/onos.robot
+++ b/libraries/onos.robot
@@ -29,7 +29,7 @@
 Execute ONOS CLI Command
     [Arguments]    ${host}    ${port}    ${cmd}
     [Documentation]    Establishes an ssh connection to the onos contoller and executes a command
-    ${conn_id}=    SSHLibrary.Open Connection    ${host}    port=${port}    prompt=onos>    timeout=300s
+    ${conn_id}=    SSHLibrary.Open Connection    ${host}    port=${port}    timeout=300s
     SSHLibrary.Login    karaf    karaf
     ${output}=    SSHLibrary.Execute Command    ${cmd}
     Log    ${output}