[api] Fix systest error
[api] Fix systest error

Matt changed the return json structure. Reflecting that in systest.

cloudera/cm_api,cloudera/cm_api,cdapio/cm_api,justinhayes/cm_api,cdapio/cm_api,cdapio/cm_api,justinhayes/cm_api,justinhayes/cm_api,cloudera/cm_api,cdapio/cm_api