code: public void testStandaloneTaskEvents() throws JsonParseException, JsonMappingException, IOException {
    Task task=taskService.newTask();
    task.setAssignee("kermit");
    task.setTenantId("myTenant");
    taskService.saveTask(task);
    taskService.setAssignee(task.getId(),"gonzo");
    task=taskService.createTaskQuery().taskId(task.getId()).singleResult();
    task.setAssignee("kermit");
    taskService.saveTask(task);
    List<EventLogEntry> events=managementService.getEventLogEntries(null,null);
    assertEquals(4,events.size());
    assertEquals("TASK_CREATED",events.get(0).getType());
    assertEquals("TASK_ASSIGNED",events.get(1).getType());
    assertEquals("TASK_ASSIGNED",events.get(2).getType());
    assertEquals("TASK_ASSIGNED",events.get(3).getType());
    for (  EventLogEntry eventLogEntry : events) {
      Map<String,Object> data=objectMapper.readValue(eventLogEntry.getData(),new TypeReference<HashMap<String,Object>>(){
      }
  );
      assertEquals("myTenant",data.get(Fields.TENANT_ID));
    }
    taskService.deleteTask(task.getId(),true);
    for (  EventLogEntry eventLogEntry : managementService.getEventLogEntries(null,null)) {
      managementService.deleteEventLogEntry(eventLogEntry.getLogNumber());
    }
  }
  