data-props/tests/Example1.spec.mjs

Reflect host(ish) props to data-* attributes.

import { test, expect } from '@playwright/test';
test('Example1', async ({ page }) => {
    await page.goto('./tests/Example1.html');
    // wait for 1 seconds
    await page.waitForTimeout(1000);
    const editor = page.locator('#target');
    await expect(editor).toHaveAttribute('mark', 'good');
});