Fix timeout error in UserContainer test.
Fix timeout error in UserContainer test.

cargomedia/pulsar-rest-api,vogdb/pulsar-rest-api,cargomedia/pulsar-rest-api,njam/pulsar-rest-api,njam/pulsar-rest-api,njam/pulsar-rest-api,vogdb/pulsar-rest-api,cargomedia/pulsar-rest-api,njam/pulsar-rest-api,vogdb/pulsar-rest-api,cargomedia/pulsar-rest-api