ladybird/Tests/LibWeb/Layout/input/block-and-inline/float-max-content-containing-block-flex-display.html

<style>
    .display_flex {
        display: flex;
    }

    div {
        float: left;
    }

    span {
        float: left;
    }
</style><div class="display_flex"><div><div><span>A</span><span>B</span></div></div></div>