Fix tests

fixtures/worker-app/src/index.js

@@ -36,12 +36,6 @@ export default {
 							secure: true,
 						}),
 					],
-					[
-						"Set-Cookie",
-						cookie.serialize("hello2", "world2", {
-							domain: `${hostname}:1`,
-						}),
-					],
 				],
 			});
 

fixtures/worker-app/tests/index.test.ts

@@ -146,9 +146,8 @@ describe("'wrangler dev' correctly renders pages", () => {
 		const response = await fetch(`http://${ip}:${port}/cookie`);
 		expect(response.headers.getSetCookie()).toMatchInlineSnapshot(`
 			[
-			  "hello=world; Domain=prod.example.org",
-			  "hello2=world2; Domain=prod.example.org; Secure",
-			  "hello2=world2; Domain=prod.example.org:1",
+			  "hello=world; Domain=localhost",
+			  "hello2=world2; Domain=localhost; Secure",
 			]
 		`);
 	});

packages/wrangler/templates/startDevWorker/ProxyWorker.ts

@@ -33,7 +33,7 @@ export default {
 } as ExportedHandler<Env, unknown, ProxyWorkerIncomingRequestBody>;
 
 export class ProxyWorker implements DurableObject {
-	constructor(readonly state: DurableObjectState, readonly env: Env) {}
+	constructor(readonly state: DurableObjectState, readonly env: Env) { }
 
 	proxyData?: ProxyData;
 	requestQueue = new Map<Request, DeferredPromise<Response>>();
@@ -316,7 +316,11 @@ function rewriteUrlRelatedHeaders(headers: Headers, from: URL, to: URL) {
 		);
 	}
 	headers.forEach((value, key) => {
-		if (typeof value === "string" && value.includes(from.host)) {
+		if (
+			typeof value === "string" &&
+			value.includes(from.host) &&
+			key !== "set-cookie"
+		) {
 			headers.set(
 				key,
 				value.replaceAll(from.origin, to.origin).replaceAll(from.host, to.host)