From d6ee4c357015adb3364db1505e72cf7a8ea83d7d Mon Sep 17 00:00:00 2001
From: Peter Steinberger <steipete@gmail.com>
Date: Sun, 9 Aug 2026 22:10:40 -0700
Subject: [PATCH] fix(test): isolate gateway network proof ports (#121389)

Amp-Thread-ID: https://ampcode.com/threads/T-019fe995-c7ec-74f2-aaa7-9c48fe9aa4ac

Co-authored-by: Amp <amp@ampcode.com>
---
 src/test-utils/ports.ts                                | 4 ++--
 test/e2e/qa-lab/runtime/gateway-loopback-lan-access.ts | 6 +++---
 2 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/src/test-utils/ports.ts b/src/test-utils/ports.ts
index 473278a81215..7d25cf90c7eb 100644
--- a/src/test-utils/ports.ts
+++ b/src/test-utils/ports.ts
@@ -15,11 +15,11 @@ export async function isPortFree(port: number): Promise<boolean> {
   });
 }
 
-export async function getFreePort(): Promise<number> {
+export async function getFreePort(host = "127.0.0.1"): Promise<number> {
   return await new Promise((resolve, reject) => {
     const server = createServer();
     server.once("error", reject);
-    server.listen(0, "127.0.0.1", () => {
+    server.listen(0, host, () => {
       const addr = server.address();
       if (!addr || typeof addr === "string") {
         server.close();
diff --git a/test/e2e/qa-lab/runtime/gateway-loopback-lan-access.ts b/test/e2e/qa-lab/runtime/gateway-loopback-lan-access.ts
index 225612bdecb4..c4ffd1734e28 100644
--- a/test/e2e/qa-lab/runtime/gateway-loopback-lan-access.ts
+++ b/test/e2e/qa-lab/runtime/gateway-loopback-lan-access.ts
@@ -13,10 +13,10 @@ import { clearConfigCache, clearRuntimeConfigSnapshot } from "../../../../src/co
 import { clearSessionStoreCacheForTest } from "../../../../src/config/sessions/store-writer-state.js";
 import { pickPrimaryLanIPv4 } from "../../../../src/gateway/net.js";
 import { startGatewayServer, type GatewayServer } from "../../../../src/gateway/server.js";
-import { getFreeGatewayPort } from "../../../../src/gateway/test-helpers.e2e.js";
 import { GATEWAY_STARTUP_MUTATED_ENV_KEYS } from "../../../../src/gateway/test-helpers.env.js";
 import { resetAgentEventsForTest } from "../../../../src/infra/agent-events.js";
 import { captureEnv, deleteTestEnvValue, setTestEnvValue } from "../../../../src/test-utils/env.js";
+import { getFreePort } from "../../../../src/test-utils/ports.js";
 import {
   GATEWAY_CLIENT_MODES,
   GATEWAY_CLIENT_NAMES,
@@ -365,7 +365,7 @@ export async function runGatewayLoopbackLanProof(): Promise<GatewayLoopbackLanPr
     );
     resetGatewayTestState();
 
-    const loopbackPort = await getFreeGatewayPort();
+    const loopbackPort = await getFreePort("0.0.0.0");
     server = await startGateway(loopbackPort, "loopback", token);
     const loopbackHealthStatus = await probeHttpHealth({
       host: "127.0.0.1",
@@ -384,7 +384,7 @@ export async function runGatewayLoopbackLanProof(): Promise<GatewayLoopbackLanPr
     await stopGateway(server);
     server = undefined;
 
-    const lanPort = await getFreeGatewayPort();
+    const lanPort = await getFreePort("0.0.0.0");
     server = await startGateway(lanPort, "lan", token);
     const lanHealthStatus = await probeHttpHealth({
       host: lanIp,