Revert "Revert Ember 2.10+ for a short while"

This reverts commit 21682fd60b92414348a0e4aecdab1bc5278e14e6.

test/javascripts/acceptance/plugin-outlet-connector-class-test.js.es6

@@ -0,0 +1,47 @@
+import { acceptance } from "helpers/qunit-helpers";
+import { extraConnectorClass } from 'discourse/lib/plugin-connectors';
+
+const PREFIX = "javascripts/single-test/connectors";
+acceptance("Plugin Outlet - Connector Class", {
+  setup() {
+    extraConnectorClass('user-profile-primary/hello', {
+      actions: {
+        sayHello() {
+          this.set('hello', 'hello!');
+        }
+      }
+    });
+
+    extraConnectorClass('user-profile-primary/dont-render', {
+      shouldRender(args) {
+        return args.model.get('username') !== 'eviltrout';
+      }
+    });
+
+    Ember.TEMPLATES[`${PREFIX}/user-profile-primary/hello`] = Ember.HTMLBars.compile(
+      `<span class='hello-username'>{{model.username}}</span>
+        <button class='say-hello' {{action "sayHello"}}></button>
+        <span class='hello-result'>{{hello}}</span>`
+    );
+    Ember.TEMPLATES[`${PREFIX}/user-profile-primary/dont-render`] = Ember.HTMLBars.compile(
+      `I'm not rendered!`
+    );
+  },
+
+  teardown() {
+    delete Ember.TEMPLATES[`${PREFIX}/user-profile-primary/hello`];
+    delete Ember.TEMPLATES[`${PREFIX}/user-profile-primary/dont-render`];
+  }
+});
+
+test("Renders a template into the outlet", assert => {
+  visit("/users/eviltrout");
+  andThen(() => {
+    assert.ok(find('.user-profile-primary-outlet.hello').length === 1, 'it has class names');
+    assert.ok(!find('.user-profile-primary-outlet.dont-render').length, "doesn't render");
+  });
+  click('.say-hello');
+  andThen(() => {
+    assert.equal(find('.hello-result').text(), 'hello!', 'actions delegate properly');
+  });
+});