1 files changed, 7 insertions, 0 deletions
diff --git a/toolkit/components/antitracking/test/browser/dedicatedWorker.js b/toolkit/components/antitracking/test/browser/dedicatedWorker.js
index 72fd4ad850..6766709a8a 100644
--- a/toolkit/components/antitracking/test/browser/dedicatedWorker.js
+++ b/toolkit/components/antitracking/test/browser/dedicatedWorker.js
@@ -1,3 +1,10 @@
 self.onmessage = msg => {
+  if (msg.data == "getCookies") {
+    fetch("cookies.sjs")
+      .then(response => response.text())
+      .then(data => postMessage(data));
+    return;
+  }
+
   self.postMessage(msg.data);
 };