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diff --git a/testing/web-platform/tests/css/css-contain/content-visibility/content-visibility-auto-state-changed-removed.html b/testing/web-platform/tests/css/css-contain/content-visibility/content-visibility-auto-state-changed-removed.html
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+++ b/testing/web-platform/tests/css/css-contain/content-visibility/content-visibility-auto-state-changed-removed.html
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+<!doctype HTML>
+<html>
+<meta charset="utf8">
+<title>Content Visibility: ContentVisibilityAutoStateChange event.</title>
+<link rel="author" title="Vladimir Levin" href="mailto:vmpstr@chromium.org">
+<link rel="help" href="https://drafts.csswg.org/css-contain/#content-visibility">
+<meta name="assert" content="ContentVisibilityAutoStateChange does not fire on disconnected element">
+
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+
+<style>
+.spacer {
+ height: 10000px;
+}
+#bottomdiv {
+ content-visibility: auto;
+}
+</style>
+
+<div class=spacer></div>
+<div id=bottomdiv></div>
+
+<script>
+promise_test(t => new Promise(async (resolve, reject) => {
+ await new Promise((waited, _) => {
+ requestAnimationFrame(() => requestAnimationFrame(waited));
+ });
+
+ let observed = false;
+ bottomdiv.addEventListener("contentvisibilityautostatechange", () => {
+ reject("unexpected signal")
+ });
+
+ bottomdiv.remove()
+ requestAnimationFrame(() => requestAnimationFrame(resolve));
+
+}), "ContentVisibilityAutoStateChange does not fire on disconnected element");
+
+</script>
+