LayoutTests/fast/layoutformattingcontext/table-quirk-vertical-margin-simple.html

<!-- webkit-test-runner [ LayoutFormattingContextEnabled=true LayoutFormattingContextIntegrationEnabled=false ] -->
<style>
table {
    width: 100px;
    font-size: 10px;
    border-spacing: 0px;
}

p {
    height: 50px;
    color: green;
}

td {
    padding: 0px;
    background-color: green;
}

div {
    margin-top: 20px;
    margin-bottom: 20px;
    background-color: blue;
    color: blue;
    width: 100px;
    height: 60px;
}
</style>

<table><tr><td><p>collapse quirk margins</td></tr></table>
<table><tr><td><p>collapse quirk margins only with the cell<div></div></td></tr></table>