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diff --git a/testing/web-platform/tests/css/css-fonts/generic-family-keywords-002.html b/testing/web-platform/tests/css/css-fonts/generic-family-keywords-002.html
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+++ b/testing/web-platform/tests/css/css-fonts/generic-family-keywords-002.html
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+<!DOCTYPE html>
+<html>
+  <head>
+    <meta charset="utf-8">
+    <title>Generic font family: -webkit-* treated as &lt;font-family&gt;</title>
+    <link rel="help" href="https://drafts.csswg.org/css-fonts-4/#generic-font-families">
+    <script src="/resources/testharness.js"></script>
+    <script src="/resources/testharnessreport.js"></script>
+    <script src="/css/css-fonts/support/font-family-keywords.js"></script>
+    <link rel="stylesheet" type="text/css" href="/fonts/ahem.css"/>
+    <style>
+      div {
+        font-size: 10px;
+      }
+      #ahem {
+        font-family: Ahem;
+      }
+    </style>
+  </head>
+  <body>
+    <div><span id="ahem">00000</span></div>
+    <div><span id="test">00000</span></div>
+<script>
+  setup({ explicit_done: true });
+  window.addEventListener("load", () => { document.fonts.ready.then(runTests); });
+  function SetFontFamilyAndMeasure(fontFamilyValue) {
+    var element = document.getElementById('test');
+    element.setAttribute("style", `font-family: ${fontFamilyValue}, Ahem;`);
+    return element.offsetWidth;
+  }
+  function runTests() {
+    let ahem = document.getElementById('ahem');
+    let ahem_expected_width = ahem.offsetWidth;
+    let families = kGenericFontFamilyKeywords.map(keyword => `-webkit-${keyword}`).concat(kNonGenericFontFamilyKeywords);
+    families.forEach(name => {
+      test(function() {
+      assert_equals(SetFontFamilyAndMeasure(name), ahem_expected_width);
+      }, `font-family: ${name} treated as <font-family>, not <generic-name>`);
+    });
+    done();
+  }
+</script>
+  </body>
+</html>