--- a/browser/base/content/test/webrtc/browser_devices_get_user_media_multi_process.js
+++ b/browser/base/content/test/webrtc/browser_devices_get_user_media_multi_process.js
@@ -1,16 +1,12 @@
 /* This Source Code Form is subject to the terms of the Mozilla Public
  * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
 
-registerCleanupFunction(function() {
-  gBrowser.removeCurrentTab();
-});
-
 var gTests = [
 
 {
   desc: "getUserMedia audio in a first process + video in a second process",
   run: function* checkMultiProcess() {
     // The main purpose of this test is to ensure webrtc sharing indicators
     // work with multiple content processes, but it makes sense to run this
     // test without e10s too to ensure using webrtc devices in two different
@@ -113,41 +109,14 @@ var gTests = [
 
     ok(!webrtcUI.showGlobalIndicator, "webrtcUI wants the global indicator hidden");
     is(webrtcUI.getActiveStreams(true, true, true).length, 0, "0 active streams");
   }
 },
 
 ];
 
-function test() {
-  waitForExplicitFinish();
-
-  let tab = gBrowser.addTab();
-  gBrowser.selectedTab = tab;
-  let browser = tab.linkedBrowser;
-
-  browser.messageManager.loadFrameScript(CONTENT_SCRIPT_HELPER, true);
-
-  browser.addEventListener("load", function() {
-    is(PopupNotifications._currentNotifications.length, 0,
-       "should start the test without any prior popup notification");
-    ok(gIdentityHandler._identityPopup.hidden,
-       "should start the test with the control center hidden");
-
-    Task.spawn(function* () {
-      yield SpecialPowers.pushPrefEnv({"set": [[PREF_PERMISSION_FAKE, true]]});
-
-      for (let testCase of gTests) {
-        info(testCase.desc);
-        yield testCase.run();
-      }
-    }).then(finish, ex => {
-     Cu.reportError(ex);
-     ok(false, "Unexpected Exception: " + ex);
-     finish();
-    });
-  }, {capture: true, once: true});
+add_task(async function test() {
   let rootDir = getRootDirectory(gTestPath);
   rootDir = rootDir.replace("chrome://mochitests/content/",
                             "https://example.com/");
-  content.location = rootDir + "get_user_media.html";
-}
+  await runTests(gTests, rootDir + "get_user_media.html");
+});