nightwatch/examples/test-app/page2.html

Easy to use Node.js based end-to-end testing solution for web applications using the W3C WebDriver API.

<div>
    <h2>second page</h2>
</div>
<section>
    <section>
        <h2>configure</h2>
        <img data-automation-id="page2-thing" src="data:image/png;base64,"
            onclick="this.style.border = '5px solid red'" />
    </section>
</section>