f="#testing" class="section-anchor">#</a>
            <h2>Testing</h2>

            <p>
                Popular testing frameworks are all designed to run in build pipelines.
                However, a plain vanilla web site has no build.
                To test web components an old-fashioned approach can be used: testing in the browser using the Mocha framework.
            </p>

            <p>For example, these are the live unit tests for the <code>&lt;x-tab-panel&gt;</code> component used to present ta