chore: sync test from upstream

Author: ascorbic

test/e2e/tests/middleware-responses/test/index.test.ts

@@ -29,25 +29,23 @@ describe('Middleware Responses', () => {
       ])
     })
 
-    it(`${label}should fail when returning a stream`, async () => {
+    it(`${label}should not fail when returning a stream`, async () => {
       const res = await fetchViaHTTP(next.url, `${locale}/stream-a-response`)
-      expect(res.status).toBe(500)
+      expect(res.status).toBe(200)
 
       if (!(global as any).isNextDeploy) {
-        expect(await res.text()).toEqual('Internal Server Error')
-        expect(next.cliOutput).toContain(
+        expect(next.cliOutput).not.toContain(
           `A middleware can not alter response's body. Learn more: https://nextjs.org/docs/messages/returning-response-body-in-middleware`
         )
       }
     })
 
-    it(`${label}should fail when returning a text body`, async () => {
+    it(`${label}should not fail when returning a text body`, async () => {
       const res = await fetchViaHTTP(next.url, `${locale}/send-response`)
-      expect(res.status).toBe(500)
+      expect(res.status).toBe(200)
 
       if (!(global as any).isNextDeploy) {
-        expect(await res.text()).toEqual('Internal Server Error')
-        expect(next.cliOutput).toContain(
+        expect(next.cliOutput).not.toContain(
           `A middleware can not alter response's body. Learn more: https://nextjs.org/docs/messages/returning-response-body-in-middleware`
         )
       }