Niklas Mischkulnig 0683859c93 Migrate app-dir-export test to be isolated (#86534) ...

Flakey:
```
❌ test/integration/app-dir-export/test/start.test.ts output:
HEADLESS=true NEXT_TELEMETRY_DISABLED=1 CI= NEXT_TEST_CI=true IS_RETRY=undefined TRACE_PLAYWRIGHT=true CIRCLECI= GITHUB_ACTIONS= CONTINUOUS_INTEGRATION= RUN_ID= BUILD_NUMBER= JEST_JUNIT_OUTPUT_NAME=test_integration_app-dir-export_test_start.test.ts JEST_SUITE_NAME=default:12/13:integration:test/integration/app-dir-export/test/start.test.ts /root/actions-runner/_work/next.js/next.js/node_modules/.bin/jest '--ci' '--runInBand' '--forceExit' '--verbose' '--json' '--outputFile=test/integration/app-dir-export/test/start.test.ts.results.json' 'test/integration/app-dir-export/test/start.test.ts'
[08:48:33.323Z] Running command "next build /root/actions-runner/_work/next.js/next.js/test/integration/app-dir-export"
▲ Next.js 16.1.0-canary.1
- Local:         http://[::1]:36371
- Network:       http://[::]:36371

✓ Starting...
Error: "next start" does not work with "output: export" configuration. Use "npx serve@latest out" instead.
    at <unknown> (dist/server/next.js:230:53)
    at async NextServer.prepare (dist/server/next.js:177:24)
    at async initializeImpl (dist/server/lib/render-server.js:132:5)
    at async initialize (dist/server/lib/router-server.js:538:22)
    at async Server.<anonymous> (dist/server/lib/start-server.js:381:36)
[08:49:12.558Z] Running command "next build /root/actions-runner/_work/next.js/next.js/test/integration/app-dir-export"
FAIL webpack test/integration/app-dir-export/test/start.test.ts (100.119 s)
  app dir - with output export (next start)
    production mode
      ✓ should error during next start with output export (39235 ms)
      ✕ should warn during next start with output standalone (60029 ms)

  ● app dir - with output export (next start) › production mode › should warn during next start with output standalone

    thrown: "Exceeded timeout of 60000 ms for a test.
    Add a timeout value to this test to increase the timeout, if this is a long-running test. See https://jestjs.io/docs/api#testname-fn-timeout."

      46 |
      47 |       // TODO: Move this test to test/production to run in isolation.
    > 48 |       ;(process.env.TURBOPACK_BUILD ? it.skip : it)(
         |                                                  ^
      49 |         'should warn during next start with output standalone',
      50 |         async () => {
      51 |           nextConfig.replace(`output: 'export'`, `output: 'standalone'`)

      at integration/app-dir-export/test/start.test.ts:48:50
      at integration/app-dir-export/test/start.test.ts:21:56
      at Object.describe (integration/app-dir-export/test/start.test.ts:20:1)

```

2025-11-26 16:15:55 +01:00

..

route.js

Migrate app-dir-export test to be isolated (#86534)

2025-11-26 16:15:55 +01:00