diff --git a/src/gateway/server.auth.shared.ts b/src/gateway/server.auth.shared.ts
index 7142855a49a..567d3114992 100644
--- a/src/gateway/server.auth.shared.ts
+++ b/src/gateway/server.auth.shared.ts
@@ -1,3 +1,4 @@
+import { randomUUID } from "node:crypto";
 import os from "node:os";
 import path from "node:path";
 import { expect } from "vitest";
@@ -288,7 +289,7 @@ async function startRateLimitedTokenServerWithPairedDeviceToken() {
   const { server, ws, port, prevToken } = await startServerWithClient();
   const deviceIdentityPath = path.join(
     os.tmpdir(),
-    `openclaw-auth-rate-limit-${Date.now()}-${Math.random().toString(36).slice(2)}.json`,
+    "openclaw-auth-rate-limit-" + randomUUID() + ".json",
   );
   try {
     const initial = await connectReq(ws, { token: "secret", deviceIdentityPath });
@@ -322,7 +323,7 @@ async function ensurePairedDeviceTokenForCurrentIdentity(ws: WebSocket): Promise
 
   const deviceIdentityPath = path.join(
     os.tmpdir(),
-    `openclaw-auth-device-${Date.now()}-${Math.random().toString(36).slice(2)}.json`,
+    "openclaw-auth-device-" + randomUUID() + ".json",
   );
 
   const res = await connectReq(ws, { token: "secret", deviceIdentityPath });
diff --git a/src/test-utils/runtime-source-guardrail-scan.ts b/src/test-utils/runtime-source-guardrail-scan.ts
index 0131e07aeb4..9d7b5d787c3 100644
--- a/src/test-utils/runtime-source-guardrail-scan.ts
+++ b/src/test-utils/runtime-source-guardrail-scan.ts
@@ -13,6 +13,7 @@ const DEFAULT_GUARDRAIL_SKIP_PATTERNS = [
   /\.test-helpers\.tsx?$/,
   /\.test-utils\.tsx?$/,
   /\.test-harness\.tsx?$/,
+  /\.suite\.tsx?$/,
   /\.e2e\.tsx?$/,
   /\.d\.ts$/,
   /[\\/](?:__tests__|tests|test-utils)[\\/]/,