chromium/third_party/blink/web_tests/css3/filters/null-effect-check-expected.html

<style>
div {
    float: left;
    display: block;
    margin: 10px;
    width: 50px;
    height: 50px;
    background: green;
}
br {
    clear: left;
}
</style>

<div></div>
<div></div>
<div></div>
<div></div>
<br />
<div></div>
<div></div>
<div></div>
<div></div>
<br />
<div></div>
<div></div>
<div></div>
<div></div>
<br />
<div></div>