Authors Playwright `_electron` tests for packaged Electron desktop apps - launches the app via `electron.launch({ args })`, returns an `ElectronApplication` handle, drives renderer windows as Playwright `Page` objects, and probes the main process via `electronApp.evaluate(({ app, BrowserWindow }) => …)`. Distinct from ordinary browser page automation: this wraps the `_electron` API for launching packaged Electron apps and probing main + renderer processes. Use for end-to-end tests of Electron apps where main-process state, IPC, and renderer DOM must all be asserted from one suite.