1 files changed, 11 insertions, 0 deletions
diff --git a/testing/web-platform/tests/fetch/private-network-access/resources/opener.html b/testing/web-platform/tests/fetch/private-network-access/resources/opener.html
new file mode 100644
index 0000000000..78b66c6db7
--- /dev/null
+++ b/testing/web-platform/tests/fetch/private-network-access/resources/opener.html
@@ -0,0 +1,11 @@
+<!DOCTYPE html>
+<meta charset="utf-8">
+<title>Opener</title>
+<body></body>
+<script>
+  window.onmessage = (event) => {
+    window.onmessage = (event) => parent.postMessage(event.data, "*");
+    const { url } = event.data;
+    window.open(url);
+  };
+</script>