assertEquals(1, query.count());
assertEquals(1, query.list().size());
assertNotNull(query.singleResult());
HistoricTaskInstance task = query.singleResult();
assertNotNull(task);
assertEquals(caseDefinitionId, task.getCaseDefinitionId());
assertEquals(caseInstanceId, task.getCaseInstanceId());
assertEquals(humanTaskId, task.getCaseExecutionId());