LayoutTests/fast/layoutformattingcontext/float-inside-table-cell-simple.html

<!-- webkit-test-runner [ LayoutFormattingContextEnabled=true InlineFormattingContextIntegrationEnabled=false ] -->
<style>
.table {
    display: table;
    width: 100px;
    height: 100px;
    background-color: green;
}

.float {
    float: right;
    width: 20px;
    height: 20px;
    background-color: blue;
}
</style>
<div class=table><div class=float></div></div>