import test from 'ava'; import * as plugin from 'ava/plugin'; const worker = plugin.registerSharedWorker({ filename: new URL('_worker.js', import.meta.url), supportedProtocols: ['ava-4'], }); const availableImmediately = worker.currentlyAvailable; test('the shared worker becomes available before tests start', t => { t.false(availableImmediately); t.true(worker.currentlyAvailable); });