block-in-inline-float-in-layer-001-ref.html

<!DOCTYPE html>
<style>
.layer {
  filter: blur(1px);
}
.float {
  float: left;
}
</style>
<body>
  <div class="layer">
    <div>
      <div class="float">float</div>
   </div>
  </div>
</body>

chromium/third_party/blink/web_tests/external/wpt/css/CSS2/normal-flow/block-in-inline-float-in-layer-001-ref.html