chore(test): fix tests for axios/fetch/etc (#1252)

Fixes this 503 error

```
  ● should execute "ncc run axios.js"


    /tmp/node_modules/axios/dist/node/axios.cjs:2019
        reject(new AxiosError(
    ^
    AxiosError: Request failed with status code 503
```

https://github.com/vercel/ncc/actions/runs/13335750022/job/37250445802?pr=1250#step:10:278

test/integration/axios.js

@@ -1,10 +1,10 @@
 const axios = require("axios");
 
 (async () => {
-  const { data } = await axios({
-    url: "https://dog.ceo/api/breeds/image/random"
+  const { status } = await axios({
+    url: "https://example.vercel.sh"
   });
-  if (data.status !== "success") {
+  if (status !== 200) {
     throw new Error("Unexpected response: " + JSON.stringify(data));
   }  
 })();

test/integration/isomorphic-unfetch.js

@@ -1,9 +1,8 @@
 const fetch = require("isomorphic-unfetch");
 
 (async () => {
-  const res = await fetch("https://dog.ceo/api/breeds/image/random");
-  const data = await res.json()
-  if (data.status !== "success") {
-    throw new Error("Unexpected response: " + JSON.stringify(data));
-  }  
-})();
+  const { status } = await fetch("https://example.vercel.sh");
+  if (status !== 200) {
+    throw new Error(`Unexpected status: ${status}`);
+  }
+})();

test/integration/request-ts.ts

@@ -1,15 +1,13 @@
 import { get } from "request";
 
-const url = "https://dog.ceo/api/breeds/image/random";
-
-export default () => {
-  return new Promise((resolve, reject) => {
-    get(url, { json: true }, (err, resp, body) => {
+(async () => {
+  await new Promise((resolve, reject) => {
+    get("https://example.vercel.sh", { json: false }, (err, res) => {
       if (err) return reject(err);
-      if (body.status != "success") {
-        return reject(new Error("Bad api response: " + JSON.stringify(body)));
+      if (res.statusCode !== 200) {
+        return reject(new Error(`Bad status: ${res.statusCode}`));
       }
-      resolve('asdf');
+      resolve(true);
     });
   });
-};
+})();

test/integration/request.js

@@ -1,14 +1,13 @@
 const request = require("request");
-const url = "https://dog.ceo/api/breeds/image/random";
 
 (async () => {
   await new Promise((resolve, reject) => {
-    request.get(url, { json: true }, (err, resp, body) => {
+    request.get("https://example.vercel.sh", { json: false }, (err, res) => {
       if (err) return reject(err);
-      if (body.status != "success") {
-        return reject(new Error("Bad api response: " + JSON.stringify(body)));
+      if (res.statusCode !== 200) {
+        return reject(new Error(`Bad status: ${res.statusCode}`));
       }
-      resolve();
+      resolve(true);
     });
   });
-})();
+})();