List<String> deploymentIds = new ArrayList<String>();
deploymentIds.add(deployment.getId());
HistoricTaskInstanceQuery taskInstanceQuery = historyService.createHistoricTaskInstanceQuery().or().deploymentIdIn(deploymentIds).processDefinitionId("invalid").endOr();
assertEquals(5, taskInstanceQuery.count());
List<HistoricTaskInstance> taskInstances = taskInstanceQuery.list();
assertNotNull(taskInstances);
assertEquals(5, taskInstances.size());
deploymentIds.add("invalid");
taskInstanceQuery = historyService.createHistoricTaskInstanceQuery().or().deploymentIdIn(deploymentIds).processDefinitionId("invalid").endOr();