ProcessDefinitionBehavior processDefinitionBehavior=processDefinitionQuery.singleResult();
//验证是否得到流程定义
assertNotNull(processDefinitionBehavior);
//定义部署资源的字节流
ResourceEntity resourceEntity = modelService.getResourceAsStream(processDefinitionBehavior.getResourceId());
//验证是否得到定义部署资源的字节流
assertNotNull(resourceEntity);
}