Disable large content in prerender

This leads to hydration errors instead because of how the prerender is set up.

Author: sebmarkbage

fixtures/flight/__tests__/__e2e__/smoke.test.js

@@ -21,10 +21,9 @@ test('smoke test', async ({page}) => {
   await expect(consoleErrors).toEqual([]);
   await expect(pageErrors).toEqual([]);
 
-  // TODO: prerender streaming is broken for large content. Re-enable once fixed.
-  // await page.goto('/prerender');
-  // await expect(page.getByTestId('prerendered')).toBeAttached();
+  await page.goto('/prerender');
+  await expect(page.getByTestId('prerendered')).toBeAttached();
 
-  // await expect(consoleErrors).toEqual([]);
-  // await expect(pageErrors).toEqual([]);
+  await expect(consoleErrors).toEqual([]);
+  await expect(pageErrors).toEqual([]);
 });

fixtures/flight/src/App.js

@@ -235,9 +235,11 @@ export default async function App({prerender, noCache}) {
           <Foo>{dedupedChild}</Foo>
           <Bar>{Promise.resolve([dedupedChild])}</Bar>
           <Navigate />
-          <React.Suspense fallback={null}>
-            <LargeContent />
-          </React.Suspense>
+          {prerender ? null : ( // TODO: prerender is broken for large content for some reason.
+            <React.Suspense fallback={null}>
+              <LargeContent />
+            </React.Suspense>
+          )}
         </Container>
       </body>
     </html>