MacOS compile error: Missing script: "test"

[yxcn]

yao@bogon vscode-c-cpp-flylint % npm install

> c-cpp-flylint@1.15.0 postinstall
> cd client && npm install && cd ../server && npm install && cd ..

up to date, audited 220 packages in 1s

19 packages are looking for funding
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found 0 vulnerabilities

up to date, audited 182 packages in 1s

18 packages are looking for funding
  run `npm fund` for details

1 high severity vulnerability

To address all issues, run:
  npm audit fix

Run `npm audit` for details.

up to date, audited 672 packages in 4s

48 packages are looking for funding
  run `npm fund` for details

found 0 vulnerabilities

yao@bogon vscode-c-cpp-flylint % npm audit
found 0 vulnerabilities

yao@bogon vscode-c-cpp-flylint % cd server && npm run test && cd ..
npm error Missing script: "test"
npm error
npm error To see a list of scripts, run:
npm error   npm run
npm error A complete log of this run can be found in: /Users/yao/.npm/_logs/2024-08-07T15_31_55_603Z-debug-0.log

yao@bogon server % git branch
* main

And there isn't a test file under server.