Add Java API test class
Add Java API test class

zelloptt/zello-for-work-server-api-libs,zelloptt/zello-for-work-server-api-libs,zelloptt/zello-for-work-server-api-libs,zelloptt/zello-for-work-server-api-libs,zelloptt/zello-for-work-server-api-libs,zelloptt/zello-for-work-server-api-libs