diff --git a/browser/base/content/test/browser_social_chatwindow.js b/browser/base/content/test/browser_social_chatwindow.js
index ee7edeb296b..8aedeaec084 100644
--- a/browser/base/content/test/browser_social_chatwindow.js
+++ b/browser/base/content/test/browser_social_chatwindow.js
@@ -91,6 +91,7 @@ var tests = {
     }
   },
   testWorkerChatWindow: function(next) {
+    const chatUrl = "https://example.com/browser/browser/base/content/test/social_chat.html";
     let port = Social.provider.port;
     ok(port, "provider has a port");
     port.onmessage = function (e) {
@@ -103,10 +104,11 @@ var tests = {
             chats.selectedChat.close();
           }
           ok(!chats.selectedChat, "chats are all closed");
+          ensureSocialUrlNotRemembered(chatUrl);
           next();
           break;
       }
     }
-    port.postMessage({topic: "test-worker-chat" });
+    port.postMessage({topic: "test-worker-chat", data: chatUrl});
   }
 }
diff --git a/browser/base/content/test/social_worker.js b/browser/base/content/test/social_worker.js
index f5de29f9194..8d4b3541d3c 100644
--- a/browser/base/content/test/social_worker.js
+++ b/browser/base/content/test/social_worker.js
@@ -64,7 +64,7 @@ onconnect = function(e) {
         testPort.postMessage({topic:"got-flyout-visibility", result: event.data.result});
         break;
       case "test-worker-chat":
-        apiPort.postMessage({topic: "social.request-chat", data: "https://example.com/browser/browser/base/content/test/social_chat.html" });
+        apiPort.postMessage({topic: "social.request-chat", data: event.data.data });
         break;
       case "social.initialize":
         // This is the workerAPI port, respond and set up a notification icon.