test(agui-protocol): replace localhost with 127.0.0.1 in test requests

Using IP address instead of hostname for more reliable testing

将主机名替换为IP地址以获得更可靠的测试结果

Change-Id: I66a183d295e291f719d49d16d4c2c8cfc47a097a
Signed-off-by: OhYee <oyohyee@oyohyee.com>

Author: OhYee

tests/unittests/server/agui-protocol.test.ts

@@ -44,7 +44,7 @@ async function makeRequest(
 ): Promise<{ status: number; body: string; lines: string[] }> {
   return new Promise((resolve, reject) => {
     const options = {
-      hostname: 'localhost',
+      hostname: '127.0.0.1',
       port,
       path,
       method,