chromium/third_party/blink/web_tests/http/tests/webfont/css-change-in-swap-period-expected.html

<!DOCTYPE html>
<body>
<style id="target">
#ref {
  font-family: Arial;
  font-size: 50px;
}
</style>
<p>CSS change should not make loading-fallback text blank.</p>
<div id="ref">abcdefg</div>
</body>