1 files changed, 22 insertions, 0 deletions
diff --git a/testing/web-platform/tests/css/css-anchor-position/position-visibility-anchors-visible-after-scroll-out-ref.html b/testing/web-platform/tests/css/css-anchor-position/position-visibility-anchors-visible-after-scroll-out-ref.html
new file mode 100644
index 0000000000..bd4fe1f09f
--- /dev/null
+++ b/testing/web-platform/tests/css/css-anchor-position/position-visibility-anchors-visible-after-scroll-out-ref.html
@@ -0,0 +1,22 @@
+<!DOCTYPE html>
+<meta charset="utf-8">
+<style>
+  #scroll-container {
+    overflow: hidden scroll;
+    width: 300px;
+    height: 100px;
+  }
+
+  #spacer {
+    height: 200px;
+  }
+</style>
+
+<div id="scroll-container">
+  <div id="spacer"><div>
+</div>
+
+<script>
+  const scroller = document.getElementById('scroll-container');
+  scroller.scrollTop = 100;
+</script>