@Override
    public boolean evaluate(Object obj) {
      ShortTaskStatus task = (ShortTaskStatus)obj;
      return task.getRole().equals(role);
    }
Ensure that ServiceNotFoundException is handled where there are multiple requests as would be the
case when an OR predicate is provided in the query.
ambari-server/src/test/java/org/apache/ambari/server/controller/AmbariManagementControllerTest.java