fix: remove describe async support

examples/lit/test/basic.test.ts

@@ -7,7 +7,7 @@ declare global {
   interface Window extends IWindow {}
 }
 
-describe('Button with increment', async() => {
+describe('Button with increment', () => {
   beforeEach(async() => {
     document.body.innerHTML = '<my-button name="World"></my-button>'
     await window.happyDOM.whenAsyncComplete()

examples/puppeteer/test/basic.test.ts

@@ -4,7 +4,7 @@ import type { PreviewServer } from 'vite'
 import puppeteer from 'puppeteer'
 import type { Browser, Page } from 'puppeteer'
 
-describe('basic', async() => {
+describe('basic', () => {
   let server: PreviewServer
   let browser: Browser
   let page: Page

examples/react-testing-lib/src/components/input.test.tsx

@@ -2,7 +2,7 @@ import '@testing-library/jest-dom'
 import { render, screen, userEvent } from '../utils/test-utils'
 import { Input } from './Input'
 
-describe('Input', async() => {
+describe('Input', () => {
   it('should render the input', () => {
     render(
       <Input

packages/vitest/src/types/tasks.ts

@@ -78,7 +78,7 @@ export interface SuiteCollector {
   on: <T extends keyof SuiteHooks>(name: T, ...fn: SuiteHooks[T]) => void
 }
 
-export type SuiteFactory = (test: (name: string, fn: TestFunction) => void) => Awaitable<void>
+export type SuiteFactory = (test: (name: string, fn: TestFunction) => void) => void
 
 export interface RuntimeContext {
   tasks: (SuiteCollector | Test)[]

test/fails/test/runner.test.ts

@@ -3,9 +3,9 @@ import fg from 'fast-glob'
 import { execa } from 'execa'
 import { describe, expect, it } from 'vitest'
 
-describe('should fails', async() => {
+describe('should fails', () => {
   const root = resolve(__dirname, '../fixtures')
-  const files = await fg('*.test.ts', { cwd: root })
+  const files = fg.sync('*.test.ts', { cwd: root })
 
   for (const file of files) {
     it(file, async() => {