chromium/third_party/blink/web_tests/external/wpt/css/css-fonts/font-palette-non-ident-font-family-ref.html

<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>Tests that a non-ident font family name is handled correctly</title>
<link rel="help" href="https://drafts.csswg.org/css-fonts/#font-family-2-desc">
<style>
@font-face {
    font-family: "COLR-test-font";
    src: url("resources/COLR-palettes-test-font.ttf") format("truetype");
}

@font-palette-values --MyPalette {
    font-family: "COLR-test-font";
    base-palette: 1;
}
</style>
</head>
<body>
<div style="font: 48px 'COLR-test-font'; font-palette: --MyPalette;">A</div>
</body>
</html>