[test] Increase response timeout in next.browserWithResponse()

test/e2e/app-dir/fallback-shells/fallback-shells.test.ts

@@ -19,7 +19,7 @@ describe('fallback-shells', () => {
       }
 
       // If we didn't use the fallback shell, then we didn't postpone the
-      // response and therefore shouldn't have sent the postponed header.
+      // response, and therefore shouldn't have sent the postponed header.
       expect(headers['x-nextjs-postponed']).not.toBe('1')
     })
   })

test/lib/next-modes/base.ts

@@ -784,7 +784,7 @@ export class NextInstance {
     const responsePromise = new Promise<Response>((resolve, reject) => {
       const timer = setTimeout(() => {
         reject(`Timed out waiting for the response of ${url}`)
-      }, 10_000)
+      }, 30_000)
 
       resolveResponse = (response: Response) => {
         clearTimeout(timer)