Add junit5 test code for module [linkis-engineconn-linux-launch]

[ruY9527]

Add junit5 test code for module [linkis-engineconn-linux-launch]

• Module: linkis-engineconn-linux-launch
• Location:linkis-engineconn-linux-launch
• Task status:✗(unfinished)/ ✓(finished)
• Test code guide:https://linkis.apache.org/zh-CN/community/how-to-write-unit-test-code/
• Test code example: https://github.com/apache/incubator-linkis/tree/master/linkis-public-enhancements/linkis-publicservice/linkis-jobhistory/src/test --
• 模块名: linkis-engineconn-linux-launch
• 代码位置:linkis-engineconn-linux-launch
• 任务状态:✗(unfinished)/ ✓(finished)
• 单测编写指引:https://linkis.apache.org/zh-CN/community/how-to-write-unit-test-code/
• 参考样例: https://github.com/apache/incubator-linkis/tree/master/linkis-public-enhancements/linkis-publicservice/linkis-jobhistory/src/test

Task status	Class	Type	Level of Difficulty	Note
✗	org.apache.linkis.ecm.linux.launch.LinuxProcessEngineConnLaunch	Engine	normal