Testcafe:重复单击，直到出现另一个元素

import { Selector } from 'testcafe';

fixture `Example`
    .page `https://example.com`;

test('Click until another element appears', async t => {
    const button = Selector('#button');
    const anotherElement = Selector('#another-element');

    while (await anotherElement.exists === false) {
        await t.click(button);
    }

    await t.expect(anotherElement.exists).ok();
});