1 files changed, 7 insertions, 0 deletions
diff --git a/toolkit/components/antitracking/test/browser/tracker.js b/toolkit/components/antitracking/test/browser/tracker.js
new file mode 100644
index 0000000000..85e943f7c4
--- /dev/null
+++ b/toolkit/components/antitracking/test/browser/tracker.js
@@ -0,0 +1,7 @@
+window.addEventListener("message", e => {
+  let bc = new BroadcastChannel("a");
+  bc.postMessage("ready!");
+});
+window.open(
+  "https://tracking.example.org/browser/toolkit/components/antitracking/test/browser/3rdPartyOpen.html"
+);