npm install -D vitest-browser-preactimport { render } from "vitest-browser-preact";import { expect, test } from "vitest";import { Counter } from "./Counter"; test("increments in the browser", async () => { const screen = render(<Counter initialCount={1} />); await expect.element(screen.getByText("Count is 1")).toBeVisible(); await screen.getByRole("button", { name: "Increment" }).click(); await expect.element(screen.getByText("Count is 2")).toBeVisible();});