REFACTOR: Remove Discourse.__container__ from tests

test/javascripts/controllers/bookmark-test.js

@@ -3,12 +3,13 @@ import User from "discourse/models/user";
 import KeyboardShortcutInitializer from "discourse/initializers/keyboard-shortcuts";
 import { REMINDER_TYPES } from "discourse/lib/bookmark";
 import { fakeTime } from "helpers/qunit-helpers";
+
 let BookmarkController;
 
 moduleFor("controller:bookmark", {
   beforeEach() {
     logIn();
-    KeyboardShortcutInitializer.initialize(Discourse.__container__);
+    KeyboardShortcutInitializer.initialize(this.container);
     BookmarkController = this.subject({
       currentUser: User.current(),
       site: { isMobileDevice: false }