position-background-transition-expected.html

<!DOCTYPE html>
<style>
#test {
position: absolute;
top: 100px;
width: 100px;
height: 100px;
background: green;
transform: translateZ(0);
}
</style>
<div id="test">This box should transition from red to green.</div>

chromium/third_party/blink/web_tests/transitions/position-background-transition-expected.html