<div class="nav-inline t-nav-inline">
    <ul class="nav-inline__list">
        <li class="nav-inline__item nav-inline__item--is-active is-active">
            <a href="#foo" data-toggle="tab" class="one two three nav-inline__link">bar</a>
        </li>
    </ul>
</div>
<div class="tab__pane is-active" id="foo">
    baz
</div>

<div class="nav-inline t-nav-inline">
    <ul class="nav-inline__list">
        <li class="nav-inline__item nav-inline__item--is-active is-active">
            <a href="#foo" data-toggle="tab" class="one two three nav-inline__link">bar</a>
        </li>
    </ul>
</div>
<div class="tab__pane is-active one two three" id="foo">
    baz
</div>

Fix unit test for adding tab class to both the tab link and the tab pane
Fix unit test for adding tab class to both the tab link and the tab pane
