diff --git a/src/pairing/pairing-store.test.ts b/src/pairing/pairing-store.test.ts
index f858d0f3f..ab6674438 100644
--- a/src/pairing/pairing-store.test.ts
+++ b/src/pairing/pairing-store.test.ts
@@ -2,13 +2,27 @@ import crypto from "node:crypto";
 import fs from "node:fs/promises";
 import os from "node:os";
 import path from "node:path";
-import { describe, expect, it, vi } from "vitest";
+import { afterAll, beforeAll, describe, expect, it, vi } from "vitest";
 import { resolveOAuthDir } from "../config/paths.js";
 import { listChannelPairingRequests, upsertChannelPairingRequest } from "./pairing-store.js";
 
+let fixtureRoot = "";
+let caseId = 0;
+
+beforeAll(async () => {
+  fixtureRoot = await fs.mkdtemp(path.join(os.tmpdir(), "openclaw-pairing-"));
+});
+
+afterAll(async () => {
+  if (fixtureRoot) {
+    await fs.rm(fixtureRoot, { recursive: true, force: true });
+  }
+});
+
 async function withTempStateDir<T>(fn: (stateDir: string) => Promise<T>) {
   const previous = process.env.OPENCLAW_STATE_DIR;
-  const dir = await fs.mkdtemp(path.join(os.tmpdir(), "openclaw-pairing-"));
+  const dir = path.join(fixtureRoot, `case-${caseId++}`);
+  await fs.mkdir(dir, { recursive: true });
   process.env.OPENCLAW_STATE_DIR = dir;
   try {
     return await fn(dir);
@@ -18,7 +32,6 @@ async function withTempStateDir<T>(fn: (stateDir: string) => Promise<T>) {
     } else {
       process.env.OPENCLAW_STATE_DIR = previous;
     }
-    await fs.rm(dir, { recursive: true, force: true });
   }
 }