diff --git a/app/assets/javascripts/discourse-common/components/combo-box.js.es6 b/app/assets/javascripts/discourse-common/components/combo-box.js.es6
index 2325d8b14be..2a2c4e2ba77 100644
--- a/app/assets/javascripts/discourse-common/components/combo-box.js.es6
+++ b/app/assets/javascripts/discourse-common/components/combo-box.js.es6
@@ -81,7 +81,11 @@ export default Ember.Component.extend(bufferedRender({
       }
       this.set('value', val);
     });
-    $elem.trigger('change');
+    Ember.run.scheduleOnce('afterRender', this, this._triggerChange);
+  },
+
+  _triggerChange() {
+    this.$().trigger('change');
   },
 
   @on('willDestroyElement')
diff --git a/app/assets/javascripts/discourse-common/lib/helpers.js.es6 b/app/assets/javascripts/discourse-common/lib/helpers.js.es6
index 486e5b3ebdd..8960a57ed88 100644
--- a/app/assets/javascripts/discourse-common/lib/helpers.js.es6
+++ b/app/assets/javascripts/discourse-common/lib/helpers.js.es6
@@ -1,14 +1,11 @@
 import { get } from 'discourse-common/lib/raw-handlebars';
 
-function fixArgs(args) {
-  return (args.length > 1) ? args[0].concat(args[args.length-1]) : args;
-}
-
 // `Ember.Helper` is only available in versions after 1.12
 export function htmlHelper(fn) {
   if (Ember.Helper) {
     return Ember.Helper.helper(function(...args) {
-      return new Handlebars.SafeString(fn.apply(this, fixArgs(args)) || '');
+      args = (args.length > 1) ? args[0].concat({ hash: args[args.length-1] }) : args;
+      return new Handlebars.SafeString(fn.apply(this, args) || '');
     });
   } else {
     return Ember.Handlebars.makeBoundHelper(function() {
diff --git a/app/assets/javascripts/discourse/components/color-picker-choice.js.es6 b/app/assets/javascripts/discourse/components/color-picker-choice.js.es6
new file mode 100644
index 00000000000..78f444a1c12
--- /dev/null
+++ b/app/assets/javascripts/discourse/components/color-picker-choice.js.es6
@@ -0,0 +1,27 @@
+import computed from 'ember-addons/ember-computed-decorators';
+
+export default Ember.Component.extend({
+  tagName: 'button',
+  attributeBindings: ['style', 'title'],
+  classNameBindings: [':colorpicker', 'isUsed:used-color:unused-color'],
+
+  @computed('color', 'usedColors')
+  isUsed(color, usedColors) {
+    return (usedColors || []).indexOf(color.toUpperCase()) >= 0;
+  },
+
+  @computed('isUsed')
+  title(isUsed) {
+    return isUsed ? I18n.t("category.already_used") : null;
+  },
+
+  @computed('color')
+  style(color) {
+    return `background-color: #${color};`.htmlSafe();
+  },
+
+  click(e) {
+    e.preventDefault();
+    this.sendAction('selectColor', this.get('color'));
+  }
+});
diff --git a/app/assets/javascripts/discourse/components/color-picker.js.es6 b/app/assets/javascripts/discourse/components/color-picker.js.es6
index d1acf7d8114..30c95f9ca21 100644
--- a/app/assets/javascripts/discourse/components/color-picker.js.es6
+++ b/app/assets/javascripts/discourse/components/color-picker.js.es6
@@ -1,30 +1,9 @@
-import DiscourseContainerView from 'discourse/views/container';
-
-export default DiscourseContainerView.extend({
+export default Ember.Component.extend({
   classNames: 'colors-container',
 
-  _createButtons: function() {
-    var colors = this.get('colors'),
-        isUsed, usedColors = this.get('usedColors') || [];
-
-    if (!colors) return;
-
-    var self = this;
-    colors.forEach(function(color) {
-      isUsed = usedColors.indexOf(color.toUpperCase()) >= 0;
-
-      self.attachViewWithArgs({
-        tagName: 'button',
-        attributeBindings: ['style', 'title'],
-        classNames: ['colorpicker'].concat( isUsed ? ['used-color'] : ['unused-color'] ),
-        style: ('background-color: #' + color + ';').htmlSafe(),
-        title: isUsed ? I18n.t("category.already_used") : null,
-        click: function() {
-          self.set("value", color);
-          return false;
-        }
-      });
-
-    });
-  }.on('init')
+  actions: {
+    selectColor(color) {
+      this.set('value', color);
+    }
+  }
 });
diff --git a/app/assets/javascripts/discourse/components/composer-messages.js.es6 b/app/assets/javascripts/discourse/components/composer-messages.js.es6
index 52d1da32a65..59b3586dd32 100644
--- a/app/assets/javascripts/discourse/components/composer-messages.js.es6
+++ b/app/assets/javascripts/discourse/components/composer-messages.js.es6
@@ -15,12 +15,12 @@ export default Ember.Component.extend({
 
   didInsertElement() {
     this._super();
-    this.reset();
     this.appEvents.on('composer:typed-reply', this, this._typedReply);
     this.appEvents.on('composer:opened', this, this._findMessages);
     this.appEvents.on('composer:find-similar', this, this._findSimilar);
     this.appEvents.on('composer-messages:close', this, this._closeTop);
     this.appEvents.on('composer-messages:create', this, this._create);
+    Ember.run.scheduleOnce('afterRender', this, this.reset);
   },
 
   willDestroyElement() {
diff --git a/app/assets/javascripts/discourse/components/d-editor.js.es6 b/app/assets/javascripts/discourse/components/d-editor.js.es6
index 30759cac150..0d6b37dcc90 100644
--- a/app/assets/javascripts/discourse/components/d-editor.js.es6
+++ b/app/assets/javascripts/discourse/components/d-editor.js.es6
@@ -201,18 +201,23 @@ export default Ember.Component.extend({
     return null;
   },
 
-  @on('didInsertElement')
-  _startUp() {
+  _readyNow() {
+    this.set('ready', true);
+  },
+
+  didInsertElement() {
+    this._super();
+
     const container = this.get('container'),
           $editorInput = this.$('.d-editor-input');
 
     this._applyEmojiAutocomplete(container, $editorInput);
     this._applyCategoryHashtagAutocomplete(container, $editorInput);
 
-    this.set('ready', true);
+
+    Ember.run.scheduleOnce('afterRender', this, this._readyNow);
 
     const mouseTrap = Mousetrap(this.$('.d-editor-input')[0]);
-
     const shortcuts = this.get('toolbar.shortcuts');
     Object.keys(shortcuts).forEach(sc => {
       const button = shortcuts[sc];
@@ -232,7 +237,6 @@ export default Ember.Component.extend({
 
     this.appEvents.on('composer:insert-text', text => this._addText(this._getSelected(), text));
     this.appEvents.on('composer:replace-text', (oldVal, newVal) => this._replaceText(oldVal, newVal));
-
     this._mouseTrap = mouseTrap;
   },
 
@@ -263,11 +267,10 @@ export default Ember.Component.extend({
     markdownOptions.siteSettings = this.siteSettings;
 
     this.set('preview', cook(value));
-    Ember.run.scheduleOnce('afterRender', () => {
+    Ember.run.next(() => {
       if (this._state !== "inDOM") { return; }
       const $preview = this.$('.d-editor-preview');
       if ($preview.length === 0) return;
-
       this.sendAction('previewUpdated', $preview);
     });
   },
diff --git a/app/assets/javascripts/discourse/components/edit-category-tab.js.es6 b/app/assets/javascripts/discourse/components/edit-category-tab.js.es6
index 9e470660675..556e072ea15 100644
--- a/app/assets/javascripts/discourse/components/edit-category-tab.js.es6
+++ b/app/assets/javascripts/discourse/components/edit-category-tab.js.es6
@@ -14,9 +14,14 @@ export default Em.Component.extend({
     return I18n.t('category.' + this.get('tab').replace('-', '_'));
   }.property('tab'),
 
+  didInsertElement() {
+    this._super();
+    Ember.run.scheduleOnce('afterRender', this, this._addToCollection);
+  },
+
   _addToCollection: function() {
     this.get('panels').addObject(this.get('tabClassName'));
-  }.on('didInsertElement'),
+  },
 
   actions: {
     select: function() {
diff --git a/app/assets/javascripts/discourse/components/image-uploader.js.es6 b/app/assets/javascripts/discourse/components/image-uploader.js.es6
index 08359fa8695..8e7d0420c61 100644
--- a/app/assets/javascripts/discourse/components/image-uploader.js.es6
+++ b/app/assets/javascripts/discourse/components/image-uploader.js.es6
@@ -6,7 +6,7 @@ export default Em.Component.extend(UploadMixin, {
 
   @computed('imageUrl')
   backgroundStyle(imageUrl) {
-    if (Em.isNone(imageUrl)) { return; }
+    if (Em.isNone(imageUrl)) { return "".htmlSafe(); }
     return `background-image: url(${imageUrl})`.htmlSafe();
   },
 
diff --git a/app/assets/javascripts/discourse/components/topic-navigation.js.es6 b/app/assets/javascripts/discourse/components/topic-navigation.js.es6
index c7b28ca17c0..5e72830c017 100644
--- a/app/assets/javascripts/discourse/components/topic-navigation.js.es6
+++ b/app/assets/javascripts/discourse/components/topic-navigation.js.es6
@@ -5,6 +5,8 @@ export default Ember.Component.extend({
   info: Em.Object.create(),
 
   _checkSize() {
+    if (!this.element || this.isDestroying || this.isDestroyed) { return; }
+
     let info = this.get('info');
 
     if (info.get('topicProgressExpanded')) {
@@ -110,7 +112,7 @@ export default Ember.Component.extend({
       $('#reply-control').on('div-resized.discourse-topic-navigation', () => this._checkSize());
     }
 
-    this._checkSize();
+    Ember.run.scheduleOnce('afterRender', this, this._checkSize);
   },
 
   willDestroyElement() {
diff --git a/app/assets/javascripts/discourse/helpers/as-hash.js.es6 b/app/assets/javascripts/discourse/helpers/as-hash.js.es6
index c5c67a64e02..caf112d3567 100644
--- a/app/assets/javascripts/discourse/helpers/as-hash.js.es6
+++ b/app/assets/javascripts/discourse/helpers/as-hash.js.es6
@@ -1,8 +1,12 @@
+import { registerHelper } from 'discourse-common/lib/helpers';
+
 // Note: Later versions of ember include `hash`
-export default function hashHelper(params) {
+registerHelper('as-hash', function(_, params) {
+  if (Ember.Helper) { return params; }
+
   const hash = {};
   Object.keys(params.hash).forEach(k => {
     hash[k] = params.data.view.getStream(params.hash[k]).value();
   });
   return hash;
-}
+});
diff --git a/app/assets/javascripts/discourse/helpers/plugin-outlet.js.es6 b/app/assets/javascripts/discourse/helpers/plugin-outlet.js.es6
index 602426d2c6b..00a4307d7cb 100644
--- a/app/assets/javascripts/discourse/helpers/plugin-outlet.js.es6
+++ b/app/assets/javascripts/discourse/helpers/plugin-outlet.js.es6
@@ -144,21 +144,24 @@ registerHelper('plugin-outlet', function([connectionName], hash, options, env) {
     // just shove it in.
     const viewClass = (childViews.length > 1) ? Ember.ContainerView : childViews[0];
 
-    const newHash = $.extend({}, viewInjections(env.data.view.container));
-    if (hash.tagName) { newHash.tagName = hash.tagName; }
+    // TODO: Figure out how to do this without a container view
+    if (env) {
+      const newHash = $.extend({}, viewInjections(env.data.view.container));
+      if (hash.tagName) { newHash.tagName = hash.tagName; }
 
-    // we don't need the default template since we have a connector
-    delete options.fn;
-    delete options.template;
-    env.helpers.view.helperFunction.call(this, [viewClass], newHash, options, env);
+      // we don't need the default template since we have a connector
+      delete options.fn;
+      delete options.template;
+      env.helpers.view.helperFunction.call(this, [viewClass], newHash, options, env);
 
-    const cvs = env.data.view._childViews;
-    if (childViews.length > 1 && cvs && cvs.length) {
-      const inserted = cvs[cvs.length-1];
-      if (inserted) {
-        childViews.forEach(function(cv) {
-          inserted.pushObject(cv.create());
-        });
+      const cvs = env.data.view._childViews;
+      if (childViews.length > 1 && cvs && cvs.length) {
+        const inserted = cvs[cvs.length-1];
+        if (inserted) {
+          childViews.forEach(function(cv) {
+            inserted.pushObject(cv.create());
+          });
+        }
       }
     }
   }
diff --git a/app/assets/javascripts/discourse/models/admin-post.js.es6 b/app/assets/javascripts/discourse/models/admin-post.js.es6
index 4504fcbe24e..8de331ac955 100644
--- a/app/assets/javascripts/discourse/models/admin-post.js.es6
+++ b/app/assets/javascripts/discourse/models/admin-post.js.es6
@@ -9,7 +9,7 @@ export default Post.extend({
     }
   }.on("init"),
 
-  presentName: Em.computed.any('name', 'username'),
+  presentName: Ember.computed.or('name', 'username'),
 
   sameUser: function() {
     return this.get("username") === Discourse.User.currentProp("username");
diff --git a/app/assets/javascripts/discourse/models/user-action.js.es6 b/app/assets/javascripts/discourse/models/user-action.js.es6
index 024089799ae..ebc4be7381b 100644
--- a/app/assets/javascripts/discourse/models/user-action.js.es6
+++ b/app/assets/javascripts/discourse/models/user-action.js.es6
@@ -76,9 +76,9 @@ const UserAction = RestModel.extend({
     return targetUsername === Discourse.User.currentProp('username');
   },
 
-  presentName: Em.computed.any('name', 'username'),
-  targetDisplayName: Em.computed.any('target_name', 'target_username'),
-  actingDisplayName: Em.computed.any('acting_name', 'acting_username'),
+  presentName: Ember.computed.or('name', 'username'),
+  targetDisplayName: Ember.computed.or('target_name', 'target_username'),
+  actingDisplayName: Ember.computed.or('acting_name', 'acting_username'),
   targetUserUrl: url('target_username', '/users/%@'),
 
   @computed("username")
diff --git a/app/assets/javascripts/discourse/models/user.js.es6 b/app/assets/javascripts/discourse/models/user.js.es6
index 6328ca9ca81..e4f92d6b340 100644
--- a/app/assets/javascripts/discourse/models/user.js.es6
+++ b/app/assets/javascripts/discourse/models/user.js.es6
@@ -64,7 +64,7 @@ const User = RestModel.extend({
 
   @computed('profile_background')
   profileBackground(bgUrl) {
-    if (Em.isEmpty(bgUrl) || !Discourse.SiteSettings.allow_profile_backgrounds) { return; }
+    if (Em.isEmpty(bgUrl) || !Discourse.SiteSettings.allow_profile_backgrounds) { return "".htmlSafe(); }
     return ('background-image: url(' + Discourse.getURLWithCDN(bgUrl) + ')').htmlSafe();
   },
 
@@ -322,7 +322,7 @@ const User = RestModel.extend({
   @computed("stats.@each.isPM")
   statsExcludingPms() {
     if (Ember.isEmpty(this.get('stats'))) return [];
-    return this.get('stats').rejectProperty('isPM');
+    return this.get('stats').rejectBy('isPM');
   },
 
   findDetails(options) {
@@ -530,7 +530,7 @@ User.reopenClass(Singleton, {
     });
 
     const result = Em.A();
-    result.pushObjects(stats.rejectProperty('isResponse'));
+    result.pushObjects(stats.rejectBy('isResponse'));
 
     let insertAt = 0;
     result.forEach((item, index) => {
diff --git a/app/assets/javascripts/discourse/templates/components/color-picker.hbs b/app/assets/javascripts/discourse/templates/components/color-picker.hbs
new file mode 100644
index 00000000000..5842bf91512
--- /dev/null
+++ b/app/assets/javascripts/discourse/templates/components/color-picker.hbs
@@ -0,0 +1 @@
+{{#each colors as |c|}}{{color-picker-choice color=c usedColors=usedColors selectColor="selectColor"}}{{/each}}
diff --git a/app/assets/javascripts/discourse/templates/mobile/discovery/categories.hbs b/app/assets/javascripts/discourse/templates/mobile/discovery/categories.hbs
index 2a5d9878891..2c93702e92f 100644
--- a/app/assets/javascripts/discourse/templates/mobile/discovery/categories.hbs
+++ b/app/assets/javascripts/discourse/templates/mobile/discovery/categories.hbs
@@ -1,5 +1,5 @@
 {{#each model.categories as |c|}}
-  <div class='category-list-item category' style="border-color: #{{unbound c.color}}">
+  <div class='category-list-item category' style={{border-color c.color}}>
     <table class='topic-list'>
       <tr>
         <th class="main-link">
diff --git a/app/assets/javascripts/discourse/views/container.js.es6 b/app/assets/javascripts/discourse/views/container.js.es6
deleted file mode 100644
index f7a474fc020..00000000000
--- a/app/assets/javascripts/discourse/views/container.js.es6
+++ /dev/null
@@ -1,16 +0,0 @@
-export default Ember.ContainerView.extend({
-
-  attachViewWithArgs(viewArgs, viewClass) {
-    if (typeof viewClass === "string") {
-      viewClass = this.container.lookupFactory("view:" + viewClass) ||
-                  this.container.lookupFactory("component:" + viewClass);
-    }
-
-    if (!viewClass) { viewClass = Ember.View.extend(); }
-    this.pushObject(this.createChildView(viewClass, viewArgs));
-  },
-
-  attachViewClass(viewClass) {
-    this.attachViewWithArgs(null, viewClass);
-  }
-});
diff --git a/app/assets/javascripts/discourse/views/modal-body.js.es6 b/app/assets/javascripts/discourse/views/modal-body.js.es6
index f3dfa7c937f..55ce0fca0ba 100644
--- a/app/assets/javascripts/discourse/views/modal-body.js.es6
+++ b/app/assets/javascripts/discourse/views/modal-body.js.es6
@@ -7,10 +7,12 @@ export default Ember.View.extend({
   _setupModal() {
     $('#modal-alert').hide();
     $('#discourse-modal').modal('show');
+    Ember.run.scheduleOnce('afterRender', this, this._afterFirstRender);
+  },
 
-    // Focus on first element
+  _afterFirstRender() {
     if (!this.site.mobileView && this.get('focusInput')) {
-      Em.run.schedule('afterRender', () => this.$('input:first').focus());
+      this.$('input:first').focus();
     }
 
     const title = this.get('title');
diff --git a/app/assets/javascripts/discourse/views/user.js.es6 b/app/assets/javascripts/discourse/views/user.js.es6
index f0b0ceb85d1..0b358f18eef 100644
--- a/app/assets/javascripts/discourse/views/user.js.es6
+++ b/app/assets/javascripts/discourse/views/user.js.es6
@@ -1,3 +1,4 @@
 import ScrollTop from 'discourse/mixins/scroll-top';
 
-export default Ember.View.extend(ScrollTop);
+export default Ember.View.extend(ScrollTop, {
+});
diff --git a/app/assets/javascripts/discourse/widgets/search-menu.js.es6 b/app/assets/javascripts/discourse/widgets/search-menu.js.es6
index 23f86461b44..9ed3b8c7d4f 100644
--- a/app/assets/javascripts/discourse/widgets/search-menu.js.es6
+++ b/app/assets/javascripts/discourse/widgets/search-menu.js.es6
@@ -71,7 +71,7 @@ export default createWidget('search-menu', {
     const contextEnabled = searchData.contextEnabled;
 
     const ctx = contextEnabled ? this.searchContext() : null;
-    const type = Ember.get(ctx, 'type');
+    const type = ctx ? Ember.get(ctx, 'type') : null;
 
     if (contextEnabled && type === 'topic') {
       return;
diff --git a/app/assets/javascripts/main_include.js b/app/assets/javascripts/main_include.js
index 19f20a2a09c..440edeee65f 100644
--- a/app/assets/javascripts/main_include.js
+++ b/app/assets/javascripts/main_include.js
@@ -57,7 +57,6 @@
 //= require ./discourse/models/user-badge
 //= require ./discourse/controllers/discovery-sortable
 //= require ./discourse/controllers/navigation/default
-//= require ./discourse/views/container
 //= require ./discourse/views/modal-body
 //= require ./discourse/views/flag
 //= require ./discourse/components/edit-category-panel
diff --git a/app/assets/javascripts/wizard/test/helpers/component-test.js.es6 b/app/assets/javascripts/wizard/test/helpers/component-test.js.es6
index 806c9af8a0e..2a299d54571 100644
--- a/app/assets/javascripts/wizard/test/helpers/component-test.js.es6
+++ b/app/assets/javascripts/wizard/test/helpers/component-test.js.es6
@@ -4,7 +4,7 @@ export function componentTest(name, opts) {
   opts = opts || {};
 
   test(name, function(assert) {
-    initializer.initialize();
+    initializer.initialize(this.container, this.registry);
 
     if (opts.setup) {
       opts.setup.call(this);
diff --git a/app/assets/javascripts/wizard/test/helpers/start-app.js.es6 b/app/assets/javascripts/wizard/test/helpers/start-app.js.es6
index 7d701562b38..0b8118ed007 100644
--- a/app/assets/javascripts/wizard/test/helpers/start-app.js.es6
+++ b/app/assets/javascripts/wizard/test/helpers/start-app.js.es6
@@ -8,7 +8,7 @@ export default function() {
   Ember.run(() => app = Wizard.create({ rootElement: '#ember-testing' }));
 
   if (!started) {
-    initializer.initialize();
+    initializer.initialize(app.__container__, app.registry);
     app.start();
     started = true;
   }
diff --git a/app/assets/javascripts/wizard/wizard.js.es6 b/app/assets/javascripts/wizard/wizard.js.es6
index 5881ac473be..466b656d83c 100644
--- a/app/assets/javascripts/wizard/wizard.js.es6
+++ b/app/assets/javascripts/wizard/wizard.js.es6
@@ -9,7 +9,7 @@ export default Ember.Application.extend({
       if (/\/initializers\//.test(key)) {
         const module = require(key, null, null, true);
         if (!module) { throw new Error(key + ' must export an initializer.'); }
-        this.instanceInitializer(module.default);
+        this.initializer(module.default);
       }
     });
   }
diff --git a/test/javascripts/helpers/component-test.js.es6 b/test/javascripts/helpers/component-test.js.es6
index 7e8fc08eeb7..f671adb8e48 100644
--- a/test/javascripts/helpers/component-test.js.es6
+++ b/test/javascripts/helpers/component-test.js.es6
@@ -21,7 +21,7 @@ export default function(name, opts) {
 
     this.siteSettings = Discourse.SiteSettings;
 
-    autoLoadModules();
+    autoLoadModules(this.container, this.registry);
 
     const store = createStore();
     if (!opts.anonymous) {
diff --git a/test/javascripts/views/container-view-test.js.es6 b/test/javascripts/views/container-view-test.js.es6
deleted file mode 100644
index 0ebd5808d3b..00000000000
--- a/test/javascripts/views/container-view-test.js.es6
+++ /dev/null
@@ -1,83 +0,0 @@
-var SomeViewClass = Ember.View.extend();
-
-function containerHasOnlyOneChild(containerView, klass) {
-  equal(containerView.get('childViews').length, 1, "container has no other children than the one created by method");
-  ok(containerView.objectAt(0) instanceof klass, "container's child created by method is an instance of a correct class");
-}
-
-function containerHasTwoChildren(containerView, klass1, klass2) {
-  equal(containerView.get('childViews').length, 2, "container has both already existing and newly created children");
-  ok(containerView.objectAt(0) instanceof klass1, "already existing child's class is correct");
-  ok(containerView.objectAt(1) instanceof klass2, "newly created child's class is correct");
-}
-
-function childHasProperty(containerView, name) {
-  equal(containerView.objectAt(0).get(name), name, "method passes properties to the container's child it creates");
-}
-
-moduleFor("view:container");
-
-test("attachViewWithArgs: creates a view of a given class with given properties and appends it to the container", function() {
-  var containerView = this.subject();
-  containerView.attachViewWithArgs({foo: "foo"}, SomeViewClass);
-  containerHasOnlyOneChild(containerView, SomeViewClass);
-  childHasProperty(containerView, "foo");
-});
-
-test("attachViewWithArgs: creates a view of a given class without any properties and appends it to the container", function() {
-
-  var containerView = this.subject();
-  containerView.attachViewWithArgs(null, SomeViewClass);
-  containerHasOnlyOneChild(containerView, SomeViewClass);
-});
-
-test("attachViewWithArgs: creates a view without class specified (Ember.View is used by default) with given properties and appends it to the container", function() {
-  var containerView = this.subject();
-  containerView.attachViewWithArgs({foo: "foo"});
-
-  containerHasOnlyOneChild(containerView, Ember.View);
-  childHasProperty(containerView, "foo");
-});
-
-test("attachViewWithArgs: creates a view without class specified (Ember.View is used by default) without any properties and appends it to the container", function() {
-  var containerView = this.subject();
-  containerView.attachViewWithArgs();
-
-  containerHasOnlyOneChild(containerView, Ember.View);
-});
-
-test("attachViewWithArgs: appends a view to a container already containing other views", function() {
-  var AlreadyContainedViewClass = Ember.View.extend();
-  var alreadyContainedView = AlreadyContainedViewClass.create();
-  var containerView = this.subject();
-  containerView.pushObject(alreadyContainedView);
-
-  containerView.attachViewWithArgs(null, SomeViewClass);
-
-  containerHasTwoChildren(containerView, AlreadyContainedViewClass, SomeViewClass);
-});
-
-test("attachViewClass: creates a view of a given class without any properties and appends it to the container", function() {
-  var containerView = this.subject();
-  containerView.attachViewClass(SomeViewClass);
-
-  containerHasOnlyOneChild(containerView, SomeViewClass);
-});
-
-test("attachViewClass: creates a view without class specified (Ember.View is used by default) without any properties and appends it to the container", function() {
-  var containerView = this.subject();
-  containerView.attachViewClass();
-
-  containerHasOnlyOneChild(containerView, Ember.View);
-});
-
-test("attachViewClass: appends a view to a container already containing other views", function() {
-  var AlreadyContainedViewClass = Ember.View.extend();
-  var alreadyContainedView = AlreadyContainedViewClass.create();
-  var containerView = this.subject();
-  containerView.pushObject(alreadyContainedView);
-
-  containerView.attachViewClass(SomeViewClass);
-
-  containerHasTwoChildren(containerView, AlreadyContainedViewClass, SomeViewClass);
-});