File promisebuffer.test.ts

packages/core/test/lib/utils/promisebuffer.test.ts:None–None

import { afterEach, describe, expect, test, vi } from 'vitest';
import { makePromiseBuffer } from '../../../src/utils/promisebuffer';
import { rejectedSyncPromise, resolvedSyncPromise } from '../../../src/utils/syncpromise';