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diff --git a/testing/web-platform/tests/css/css-scroll-snap/snap-after-relayout/focus-element-no-snap.html b/testing/web-platform/tests/css/css-scroll-snap/snap-after-relayout/focus-element-no-snap.html
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+++ b/testing/web-platform/tests/css/css-scroll-snap/snap-after-relayout/focus-element-no-snap.html
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+<!doctype html>
+<title>Resnap to focused element after relayout</title>
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<style>
+
+#snapper {
+ width: 100px;
+ height: 200px;
+ overflow-x: scroll;
+ scroll-snap-type: x mandatory;
+ color: white;
+ background-color: oldlace;
+ display: flex;
+ align-items: center;
+}
+.child {
+ margin-right: 0.5rem;
+ height: 90%;
+ scroll-snap-align: start;
+ padding: 1rem;
+ display: flex;
+ align-items: center;
+ justify-content: center;
+ text-align: center;
+ width: 100px;
+ height: 100px;
+ background-color: indigo;
+}
+</style>
+
+<link rel="help" href="https://drafts.csswg.org/css-scroll-snap/#re-snap">
+
+<div id=snapper>
+ <div class="child no-snap" tabindex=-1></div>
+ <div class=child></div>
+ <div class="child" id ="focus" tabindex=-1></div>
+ <div class="child" tabindex=-1></div>
+ <div class=child></div>
+ <div class=child></div>
+</div>
+
+<script>
+
+test(t => {
+ document.getElementById("focus").focus();
+ const element = document.getElementById("snapper");
+ element.style.width = "101px";
+ assert_equals(element.scrollLeft, 0);
+});
+</script>