Improve chunk encoding test to check right path for Turbopack (#56747)

This only fixes the test check, Turbopack wil have to `encodeURI` the
files in the FlightManifest. Similar to what the webpack plugin does:
https://github.com/vercel/next.js/blob/canary/packages/next/src/build/webpack/plugins/flight-manifest-plugin.ts#L111

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test/e2e/app-dir/app/index.test.ts

@@ -13,7 +13,7 @@ createNextDescribe(
       ? 'pnpm next experimental-compile'
       : undefined,
   },
-  ({ next, isNextDev: isDev, isNextStart, isNextDeploy }) => {
+  ({ next, isNextDev: isDev, isNextStart, isNextDeploy, isTurbopack }) => {
     if (process.env.NEXT_EXPERIMENTAL_COMPILE) {
       it('should provide query for getStaticProps page correctly', async () => {
         const res = await next.fetch('/ssg?hello=world')
@@ -192,10 +192,13 @@ createNextDescribe(
       await check(async () => {
         return requests.some(
           (req) =>
-            req.includes(encodeURI('/[category]/[id]')) && req.endsWith('.js')
+            req.includes(
+              encodeURI(isTurbopack ? '[category]_[id]' : '/[category]/[id]')
+            ) && req.endsWith('.js')
         )
           ? 'found'
-          : JSON.stringify(requests)
+          : // When it fails will log out the paths.
+            JSON.stringify(requests)
       }, 'found')
     })