<header class="xblock-header">
    <div class="xblock-header-primary">
        <div class="header-details">
            <span class="xblock-display-name">Updated Test Container</span>
        </div>
        <div class="header-actions">
            <ul class="actions-list">
            </ul>
        </div>
    </div>
</header>
<article class="xblock-render">
    <div class="xblock" data-locator="locator-container"
         data-init="MockXBlock" data-runtime-class="StudioRuntime" data-runtime-version="1">
        <ol class="reorderable-container">
        </ol>
    </div>
</article>