They use AMD/loader.js and don't work anymore.
These tools should either be migrated to ESM (e.g. by using vite) or be deleted.

• src\vs\editor\test\browser\controller\imeRecorder.html
• src\vs\editor\test\browser\controller\imeRecorder.ts
• src\vs\editor\test\browser\controller\imeTester.html
• src\vs\editor\test\browser\controller\imeTester.ts

(For #285255)