ty function that adds padding on a string based on the value passed.</li>
</ul>
<p>Unit Tests are useful for testing pure functions where the return value is only determined by its input values, without any observable side effects.</p>
</section>
<h3 id="toc_container-tests">Container Tests <a href="#toc_container-tests"><svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 512 512">
        <path d="M326.61 185.4c59.75 59.8 58.93 155.69.36 214.58-.1.12-.24.25-.36.37l-67.2 67.2c-59.27 59.27-155.7 59.26-214.9