@Deployment(resources={"org/camunda/bpm/engine/test/history/HistoricTaskInstanceTest.testHistoricTaskInstance.bpmn20.xml"})
public void testHistoricTaskInstanceQueryByInvalidActivityInstanceId() {
HistoricTaskInstanceQuery query = historyService.createHistoricTaskInstanceQuery();
query.activityInstanceIdIn("invalid");
assertEquals(0, query.count());
try {
query.activityInstanceIdIn(null);
fail("A ProcessEngineExcpetion was expected.");