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diff --git a/testing/web-platform/tests/layout-instability/shift-with-overflow-status-change.html b/testing/web-platform/tests/layout-instability/shift-with-overflow-status-change.html
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index 0000000000..33eea3080b
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+++ b/testing/web-platform/tests/layout-instability/shift-with-overflow-status-change.html
@@ -0,0 +1,33 @@
+<!DOCTYPE html>
+<title>Layout Instability: change under overflow clipping container causing shift and overflow status change at the same time</title>
+<link rel="help" href="https://wicg.github.io/layout-instability/" />
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="resources/util.js"></script>
+<div style="height: 100px"></div>
+<div style="overflow: auto; width: 400px; height: 400px">
+  <div id="resized" style="width: 600px; height: 100px; background: gray"></div>
+  <div id="shifted" style="width: 300px; height: 100px; background: blue"></div>
+</div>
+<script>
+promise_test(async () => {
+  const watcher = new ScoreWatcher;
+
+  // Wait for the initial render to complete.
+  await waitForAnimationFrames(2);
+
+  resized.style.width = '200px';
+  resized.style.height = '200px';
+
+  const expectedScore = computeExpectedScore(300 * (100 + 100), 100);
+
+  assert_equals(watcher.score, 0);
+  await watcher.promise;
+  assert_equals(watcher.score, expectedScore);
+
+  resized.style.width = '600px';
+  resized.style.height = '100px';
+  await watcher.promise;
+  assert_equals(watcher.score, expectedScore * 2);
+}, 'Change under overflow clipping container causing shift and overflow status change at the same time');
+</script>