1 files changed, 0 insertions, 45 deletions
diff --git a/toolkit/components/webextensions/test/xpcshell/test_ext_background_sub_windows.js b/toolkit/components/webextensions/test/xpcshell/test_ext_background_sub_windows.js
deleted file mode 100644
index c5f2f1332..000000000
--- a/toolkit/components/webextensions/test/xpcshell/test_ext_background_sub_windows.js
+++ /dev/null
@@ -1,45 +0,0 @@
-/* -*- Mode: indent-tabs-mode: nil; js-indent-level: 2 -*- */
-/* vim: set sts=2 sw=2 et tw=80: */
-"use strict";
-
-add_task(function* testBackgroundWindow() {
-  let extension = ExtensionTestUtils.loadExtension({
-    background() {
-      browser.test.log("background script executed");
-
-      browser.test.sendMessage("background-script-load");
-
-      let img = document.createElement("img");
-      img.src = "data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7";
-      document.body.appendChild(img);
-
-      img.onload = () => {
-        browser.test.log("image loaded");
-
-        let iframe = document.createElement("iframe");
-        iframe.src = "about:blank?1";
-
-        iframe.onload = () => {
-          browser.test.log("iframe loaded");
-          setTimeout(() => {
-            browser.test.notifyPass("background sub-window test done");
-          }, 0);
-        };
-        document.body.appendChild(iframe);
-      };
-    },
-  });
-
-  let loadCount = 0;
-  extension.onMessage("background-script-load", () => {
-    loadCount++;
-  });
-
-  yield extension.startup();
-
-  yield extension.awaitFinish("background sub-window test done");
-
-  equal(loadCount, 1, "background script loaded only once");
-
-  yield extension.unload();
-});