chromium/chrome/test/data/extensions/api_test/management/uninstall_via_browser_action/extension_b/manifest.json

{
  "name": "ExtensionB",
  "description": "Helper extension that gets uninstalled during test.",
  "version": "1.0",
  "manifest_version": 2,
  // Note: This extension will also be loaded as SW extension in tests.
  "background": {"scripts": ["background.js"], "persistent": false}
}