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diff --git a/testing/web-platform/tests/css/css-view-transitions/pseudo-with-classes-mismatch-partial.html b/testing/web-platform/tests/css/css-view-transitions/pseudo-with-classes-mismatch-partial.html
new file mode 100644
index 0000000000..9d9838036b
--- /dev/null
+++ b/testing/web-platform/tests/css/css-view-transitions/pseudo-with-classes-mismatch-partial.html
@@ -0,0 +1,45 @@
+<!DOCTYPE html>
+<html class=reftest-wait>
+<title>View transition classes: selector should not match if only some classes match</title>
+<link rel="help" href="https://drafts.csswg.org/css-transitions-2/">
+<link rel="author" href="mailto:nrosenthal@chromium.org">
+<link rel="match" href="pseudo-with-classes-ref.html">
+<script src="/common/rendering-utils.js"></script>
+<script src="/common/reftest-wait.js"></script>
+
+<style>
+div {
+  width: 100px;
+  height: 100px;
+  position: absolute;
+}
+
+#target {
+  background: green;
+  view-transition-name: target;
+  view-transition-class: cls;
+}
+
+::view-transition-group(*) {
+  animation-duration: 1s;
+}
+
+::view-transition-new(*),
+::view-transition-old(*) {
+  left: 100px;
+}
+::view-transition-new(target.cls.other),
+::view-transition-old(target.cls.other) {
+  left: 0;
+}
+
+</style>
+<div id=target></div>
+
+<script>
+failIfNot(document.startViewTransition, "Missing document.startViewTransition");
+
+window.addEventListener("load", () => {
+  document.startViewTransition().ready.then(takeScreenshot);
+});
+</script>