JSFiddle - React, Tailwind, and code Playground

HTML

<link rel="stylesheet" href="http://getbootstrap.com/dist/css/bootstrap.min.css">
<table><tbody><tr>
    <td class="fit">
        <div class="btn-group">
            <label class="btn btn-default active">TEST1</label><label class="btn btn-default">TEST2</label>
        </div>
    </td>
    <td>more content</td>
</tr></tbody></table>

CSS

td{
    border:1px solid #000;
}

.btn-group {
    white-space: nowrap;
}

tr td.fit{
    width: 1%;
    white-space: nowrap;
}