magento-test/dev/tests/js/jasmine/assets/lib/web/mage/tabs.html

<div id="tabs">
    <div id="title1" data-role="collapsible">
    </div>
    <div id="content1" data-role="content"></div>
    <div id="title2" data-role="collapsible">
    </div>
    <div id="content2" data-role="content"></div>
</div>