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Test Info:
<!DOCTYPE html>
<html lang="en">
<meta charset="utf-8">
<title>This test will fail because the some-other-layer gets merged into the page background layer</title>
<style>
.content {
box-sizing: border-box;
width: 200px;
height: 200px;
border: 1px solid black;
margin: 10px;
}
.relative {
position: relative;
}
.fixed {
position: fixed;
top: 140px;
left: 140px;
}
.low-z {
z-index: 1;
}
.mid-z {
z-index: 2;
}
.high-z {
z-index: 3;
}
.opaque-background {
background-color: white;
}
body {
height: 4000px;
}
</style>
<div class="content relative low-z" reftest-assigned-layer="page-background"></div>
<div class="fixed opaque-background content mid-z" reftest-assigned-layer="fixed-layer"></div>
<div class="content relative low-z" reftest-assigned-layer="some-other-layer"></div>