LayoutTests/fast/flexbox/deprecated-flex-box-with-float-flex-item.html

<style>
.content {
  display: -webkit-box;
}
.float {
  float: left;
  background-color: green;
  width: 100px;
  height: 100px;
}
.flex_item {
  width: 100px;
  height: 100px;
}
</style>
PASS if the green box is visible.
<div class=content>
  <div class=float></div>
  <div class=flex_item></div>
</div>