diff --git a/extensions/azure-speech/voices-timeout.test.ts b/extensions/azure-speech/voices-timeout.test.ts
index 511e8fd29b8b..de26152d9a18 100644
--- a/extensions/azure-speech/voices-timeout.test.ts
+++ b/extensions/azure-speech/voices-timeout.test.ts
@@ -3,6 +3,7 @@
 // the real fetch abort path without depending on Azure latency.
 import { createServer, type Server } from "node:http";
 import type { AddressInfo } from "node:net";
+import { clearTimeout as clearRealTimeout, setTimeout as setRealTimeout } from "node:timers";
 import { afterEach, describe, expect, it, vi } from "vitest";
 import { listAzureSpeechVoices } from "./tts.js";
 
@@ -39,8 +40,13 @@ describe("listAzureSpeechVoices timeout", () => {
     { timeout: 2_000 },
     async () => {
       let requestCount = 0;
-      const server = createServer((_req, _res) => {
+      let notifyRequest = () => {};
+      const requestReceived = new Promise<void>((resolve) => {
+        notifyRequest = resolve;
+      });
+      const server = createServer((_request, _response) => {
         requestCount += 1;
+        notifyRequest();
       });
 
       const port = await listenLocal(server);
@@ -56,26 +62,32 @@ describe("listAzureSpeechVoices timeout", () => {
       );
 
       const startedAt = Date.now();
-      let watchdog: ReturnType<typeof setTimeout> | undefined;
+      let watchdog: ReturnType<typeof setRealTimeout> | undefined;
 
       try {
-        await expect(
-          Promise.race([
-            listAzureSpeechVoices({
-              apiKey: "not-a-real",
-              baseUrl: "https://custom.example.com",
-              timeoutMs: 100,
-            }),
-            new Promise<never>((_, reject) => {
-              watchdog = setTimeout(() => reject(new Error("voices list did not time out")), 1_000);
-            }),
-          ]),
-        ).rejects.toThrow(/aborted|timeout|timed out/i);
-        expect(Date.now() - startedAt).toBeLessThan(1_000);
+        vi.useFakeTimers({ toFake: ["setTimeout", "clearTimeout"] });
+        const watchdogPromise = new Promise<never>((_, reject) => {
+          watchdog = setRealTimeout(() => reject(new Error("voices list did not time out")), 1_000);
+        });
+        const request = Promise.race([
+          listAzureSpeechVoices({
+            apiKey: "not-a-real",
+            baseUrl: "https://custom.example.com",
+            timeoutMs: 100,
+          }),
+          watchdogPromise,
+        ]);
+        const rejection = expect(request).rejects.toThrow(/aborted|timeout|timed out/i);
+
+        await Promise.race([requestReceived, watchdogPromise]);
         expect(requestCount).toBe(1);
+        await vi.advanceTimersByTimeAsync(100);
+        await rejection;
+        expect(Date.now() - startedAt).toBeLessThan(1_000);
       } finally {
+        vi.useRealTimers();
         if (watchdog) {
-          clearTimeout(watchdog);
+          clearRealTimeout(watchdog);
         }
         await closeServer(server);
       }
diff --git a/extensions/inworld/voices-timeout.test.ts b/extensions/inworld/voices-timeout.test.ts
index ff34c8ea26f7..f1eef5e57bcc 100644
--- a/extensions/inworld/voices-timeout.test.ts
+++ b/extensions/inworld/voices-timeout.test.ts
@@ -1,3 +1,4 @@
+import { clearTimeout as clearRealTimeout, setTimeout as setRealTimeout } from "node:timers";
 import { withServer } from "openclaw/plugin-sdk/test-env";
 import { afterEach, describe, expect, it, vi } from "vitest";
 import { listInworldVoices } from "./tts.js";
@@ -14,9 +15,14 @@ describe("listInworldVoices live timeout", () => {
     { timeout: 2_000 },
     async () => {
       let requestCount = 0;
+      let notifyRequest = () => {};
+      const requestReceived = new Promise<void>((resolve) => {
+        notifyRequest = resolve;
+      });
       await withServer(
         (request) => {
           requestCount += 1;
+          notifyRequest();
           request.resume();
         },
         async (baseUrl) => {
@@ -27,14 +33,35 @@ describe("listInworldVoices live timeout", () => {
             }) as unknown as typeof globalThis.fetch,
           );
 
-          await expect(
-            listInworldVoices({
-              apiKey: "test-key",
-              baseUrl: "https://custom.inworld.example.com",
-              timeoutMs: 250,
-            }),
-          ).rejects.toThrow(/aborted|timeout|timed out/i);
-          expect(requestCount).toBe(1);
+          let watchdog: ReturnType<typeof setRealTimeout> | undefined;
+          try {
+            vi.useFakeTimers({ toFake: ["setTimeout", "clearTimeout"] });
+            const watchdogPromise = new Promise<never>((_, reject) => {
+              watchdog = setRealTimeout(
+                () => reject(new Error("voices list did not time out")),
+                1_000,
+              );
+            });
+            const request = Promise.race([
+              listInworldVoices({
+                apiKey: "test-key",
+                baseUrl: "https://custom.inworld.example.com",
+                timeoutMs: 250,
+              }),
+              watchdogPromise,
+            ]);
+            const rejection = expect(request).rejects.toThrow(/aborted|timeout|timed out/i);
+
+            await Promise.race([requestReceived, watchdogPromise]);
+            expect(requestCount).toBe(1);
+            await vi.advanceTimersByTimeAsync(250);
+            await rejection;
+          } finally {
+            vi.useRealTimers();
+            if (watchdog) {
+              clearRealTimeout(watchdog);
+            }
+          }
         },
       );
     },