[test] Disable flaky prefetching.stale-times test

[eps1lon]

70% failure rate and we haven't been able to identify the issue for a while.

[ijjk]

Failing test suites

Commit: 68e95f8 | About building and testing Next.js

pnpm test-start test/e2e/app-dir/segment-cache/revalidation/segment-cache-revalidation.test.ts (job)

• segment cache (revalidation) > re-fetch visible links after a navigation, if needed (DD)

Expand output

● segment cache (revalidation) › re-fetch visible links after a navigation, if needed

thrown: "Exceeded timeout of 120000 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."

  248 |   })
  249 |
> 250 |   it('re-fetch visible links after a navigation, if needed', async () => {
      |   ^
  251 |     let act: ReturnType<typeof createRouterAct>
  252 |     const browser = await next.browser('/refetch-on-new-base-tree/a', {
  253 |       beforePageLoad(page) {

  at it (e2e/app-dir/segment-cache/revalidation/segment-cache-revalidation.test.ts:250:3)
  at Object.describe (e2e/app-dir/segment-cache/revalidation/segment-cache-revalidation.test.ts:7:1)

pnpm test-dev test/e2e/app-dir/actions/app-action.test.ts (job)

• app-dir action handling > fetch actions > should handle redirects to routes that provide an invalid RSC response (DD)

Expand output

● app-dir action handling › fetch actions › should handle redirects to routes that provide an invalid RSC response

expect(received).toContain(expected) // indexOf

Expected substring: "Hello from a pages route"
Received string:    "0.45477489045095454
Client
Server
Client and Server
0
+1+1 (Slow)-1*2
redirect to a pages route
submit
test"

  1310 |
  1311 |       await retry(async () => {
> 1312 |         expect(await browser.elementByCss('body').text()).toContain(
       |                                                           ^
  1313 |           'Hello from a pages route'
  1314 |         )
  1315 |         expect(await browser.url()).toBe(`${next.url}/pages-dir`)

  at toContain (e2e/app-dir/actions/app-action.test.ts:1312:59)
  at retry (lib/next-test-utils.ts:797:14)
  at Object.<anonymous> (e2e/app-dir/actions/app-action.test.ts:1311:7)