test: harden windows timeout-sensitive suites

src/process/exec.test.ts

@@ -2,12 +2,20 @@ import type { ChildProcess } from "node:child_process";
 import { EventEmitter } from "node:events";
 import fs from "node:fs";
 import process from "node:process";
-import { describe, expect, it, vi } from "vitest";
+import { afterEach, beforeEach, describe, expect, it, vi } from "vitest";
 import { OPENCLAW_CLI_ENV_VALUE } from "../infra/openclaw-exec-env.js";
 import { attachChildProcessBridge } from "./child-process-bridge.js";
 import { resolveCommandEnv, runCommandWithTimeout, shouldSpawnWithShell } from "./exec.js";
 
 describe("runCommandWithTimeout", () => {
+  beforeEach(() => {
+    vi.useRealTimers();
+  });
+
+  afterEach(() => {
+    vi.useRealTimers();
+  });
+
   it("never enables shell execution (Windows cmd.exe injection hardening)", () => {
     expect(
       shouldSpawnWithShell({