import { beforeEach, describe, expect, it, vi } from "vite-plus/test"; const { closeTab, createTab } = vi.hoisted(() => ({  closeTab: vi.fn(async () => undefined),  createTab: vi.fn<() => Promise<void>>(),})); vi.mock("~/components/preview/previewBridge", () => ({  previewBridge: { closeTab, createTab },})); import { acquireDesktopTab } from "./desktopTabLifetime"; describe("desktopTabLifetime", () => {  beforeEach(() => {    closeTab.mockClear();    createTab.mockClear();  });   it("shares tab creation readiness across concurrent leases", async () => {    let resolveCreation: (() => void) | undefined;    createTab.mockReturnValueOnce(      new Promise<void>((resolve) => {        resolveCreation = resolve;      }),    );     const first = acquireDesktopTab("tab_readiness");    const second = acquireDesktopTab("tab_readiness");     expect(createTab).toHaveBeenCalledOnce();    expect(first.ready).toBe(second.ready);     let ready = false;    void first.ready.then(() => {      ready = true;    });    await Promise.resolve();    expect(ready).toBe(false);     resolveCreation?.();    await first.ready;    expect(ready).toBe(true);  });});