chromium/chrome/test/data/extensions/api_test/system_log/manifest.json

{
  "name": "System Log API test",
  "version": "1.0",
  "manifest_version": 3,
  "description": "API tests for System Log extensions API",
  "background": {
    "service_worker": "test.js"
  },
  "permissions": [
    "systemLog"
  ]
}