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diff --git a/testing/web-platform/tests/css/css-view-transitions/no-containment-on-new-element-mid-transition.html b/testing/web-platform/tests/css/css-view-transitions/no-containment-on-new-element-mid-transition.html
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+++ b/testing/web-platform/tests/css/css-view-transitions/no-containment-on-new-element-mid-transition.html
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+<!DOCTYPE html>
+<html>
+<title>View transitions: transition skipped if no containment on new element after animation started</title>
+<link rel="help" href="https://www.w3.org/TR/css-view-transitions-1/">
+<link rel="author" href="mailto:khushalsagar@chromium.org">
+
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+
+<style>
+div {
+  width: 100px;
+  height: 100px;
+  background: blue;
+  view-transition-name: target;
+  contain: paint;
+}
+
+html::view-transition-group(target) {
+  animation-duration: 300s;
+}
+</style>
+
+<div id=first></div>
+
+<script>
+promise_test(async t => {
+  assert_implements(document.startViewTransition, "Missing document.startViewTransition");
+  return new Promise(async (resolve, reject) => {
+    let transition = document.startViewTransition();
+    await transition.domUpdated;
+    await transition.ready;
+
+    transition.finished.then(resolve, reject);
+    first.style.contain = "none";
+  });
+}, "new element becoming uncontained should skip the transition");
+</script>