Vs2022不能对xUnit建立.net framework的测试项目，可以从扩展里面安装模板
xUnit Test Project Template (.NET Framework)
This is a project template that contains xUnit.net tests with Visual Studio Runner, for Visual Studio 2019 and 2022.
If you want to feedback or contribute, please visit following GitHub ripository.
https://github.com/jsakamoto/xUnitTestProjectTemplate
"Your description is too short. 280 characters (not including whitespaces) are required." is a suck spec!