public void testProcessInstanceStartEvents() throws Exception {
ProcessEngineImpl processEngine = initProcessEngine();
TaskService taskService = processEngine.getTaskService();
RuntimeService runtimeService = processEngine.getRuntimeService();
ManagementService managementService = processEngine.getManagementService();
HistoryService historyService = processEngine.getHistoryService();
// record events
Map<String, Object> variables = new HashMap<String, Object>();
variables.put(TEST_VARIABLE, TEST_VALUE);
ProcessInstance processInstance = runtimeService.startProcessInstanceByKey(USERTASK_PROCESS, BUSINESS_KEY, variables);
Task task = taskService.createTaskQuery().taskDefinitionKey("userTask").singleResult();
TimeUnit.MILLISECONDS.sleep(50);
variables = new HashMap<String, Object>();
variables.put(TASK_TEST_VARIABLE, TASK_TEST_VALUE);
taskService.complete(task.getId(), variables);
// transform log events
List<EventLogEntry> eventLogEntries = managementService.getEventLogEntries(null, null);
EventLogTransformer transformer = new EventLogTransformer(getTransformers());
List<SimulationEvent> simulationEvents = transformer.transform(eventLogEntries);