HistoricTaskInstanceQuery query = historyService.createHistoricTaskInstanceQuery()
.activityInstanceIdIn(activityInstanceId1, activityInstanceId2);
assertEquals(2, query.count());
assertEquals(2, query.list().size());
}
@Deployment(resources={"org/camunda/bpm/engine/test/history/HistoricTaskInstanceTest.testHistoricTaskInstance.bpmn20.xml"})
public void testHistoricTaskInstanceQueryByInvalidActivityInstanceId() {
HistoricTaskInstanceQuery query = historyService.createHistoricTaskInstanceQuery();