test: extract hidden Electron compositor setup

tests/e2e/helpers/hidden-electron-compositor.ts

@@ -0,0 +1,11 @@
+import type { ElectronApplication } from '@stablyai/playwright-test'
+
+export async function enableHiddenElectronCompositor(app: ElectronApplication): Promise<void> {
+  await app.evaluate(({ BrowserWindow }) => {
+    if (process.env.ORCA_E2E_HEADLESS === '1' && process.env.ORCA_E2E_HEADFUL !== '1') {
+      for (const window of BrowserWindow.getAllWindows()) {
+        window.webContents.setBackgroundThrottling(false)
+      }
+    }
+  })
+}

tests/e2e/helpers/orca-app.ts

@@ -27,6 +27,7 @@ import path from 'node:path'
 import { TEST_REPO_PATH_FILE } from '../global-setup'
 import { cleanupE2EDaemons, closeElectronAppForE2E } from './electron-process-shutdown'
 import { getOrcaElectronLaunchArgs } from './electron-launch-args'
+import { enableHiddenElectronCompositor } from './hidden-electron-compositor'
 import { retryTransientMainEvaluate } from './electron-main-evaluate-retry'
 import { getE2ECompletedOnboardingProfile } from './e2e-completed-onboarding-profile'
 import {
@@ -293,13 +294,7 @@ export const test = base.extend<OrcaTestFixtures, OrcaWorkerFixtures>({
     // especially on cold start with no prior dev userData. Isolated per-test
     // profiles make late-suite launches slower, so use the full test budget.
     const page = await electronApp.firstWindow({ timeout: 120_000 })
-    await electronApp.evaluate(({ BrowserWindow }) => {
-      if (process.env.ORCA_E2E_HEADLESS === '1' && process.env.ORCA_E2E_HEADFUL !== '1') {
-        for (const window of BrowserWindow.getAllWindows()) {
-          window.webContents.setBackgroundThrottling(false)
-        }
-      }
-    })
+    await enableHiddenElectronCompositor(electronApp)
     await page.waitForLoadState('domcontentloaded')
 
     // Wait for the store to be available