chromium/third_party/blink/web_tests/compositing/squashing/squashed-clip-parent-expected.html

<!DOCTYPE html>
<style>
#squashed {
    position:absolute;
    left: 0;
    top: 0;
    right: 0;
    bottom: 0;
    background-color: green;
}
</style>
<div id="squashed">
    This test suceeds if you only see this line with a green background.
</div>