LayoutTests/fast/text/system-font-fallback-emoji.html - WebKit - Git at Google

 <!DOCTYPE html>
 <html>
 <head>
 <meta charset="utf-8">
 <script src="../../resources/js-test-pre.js"></script>
 </head>
 <body>
 <div style="font-size: 100px;">
 <div><span id="systemFontTarget" style="font-family: 'system-ui', 'AppleColorEmoji';">😊</span></div>
 <div><span id="appleColorEmojiTarget" style="font-family: 'AppleColorEmoji';">😊</span></div>
 </div>
 <script>
 description("This test makes sure that the system font draws emoji correctly.");
 var systemFontTarget = document.getElementById("systemFontTarget");
 var appleColorEmojiTarget = document.getElementById("appleColorEmojiTarget");
 shouldNotBe("systemFontTarget.offsetWidth", "100");
 shouldBe("appleColorEmojiTarget.offsetWidth", "100");
 </script>
 <script src="../../resources/js-test-post.js"></script>
 </body>
 </html>
	<!DOCTYPE html>
	<html>
	<head>
	<meta charset="utf-8">
	<script src="../../resources/js-test-pre.js"></script>
	</head>
	<body>
	<div style="font-size: 100px;">
	<div><span id="systemFontTarget" style="font-family: 'system-ui', 'AppleColorEmoji';">😊</span></div>
	<div><span id="appleColorEmojiTarget" style="font-family: 'AppleColorEmoji';">😊</span></div>
	</div>
	<script>
	description("This test makes sure that the system font draws emoji correctly.");
	var systemFontTarget = document.getElementById("systemFontTarget");
	var appleColorEmojiTarget = document.getElementById("appleColorEmojiTarget");
	shouldNotBe("systemFontTarget.offsetWidth", "100");
	shouldBe("appleColorEmojiTarget.offsetWidth", "100");
	</script>
	<script src="../../resources/js-test-post.js"></script>
	</body>
	</html>