[Common UI] Add skeleton specs

Add skeleton specs for bundle platform/commonUI/general.
WTD-574.

platform/commonUI/general/test/TreeNodeControllerSpec.js

@@ -0,0 +1,12 @@
+/*global define,Promise,describe,it,expect,beforeEach,waitsFor,jasmine*/
+
+define(
+    ["../src/TreeNodeController"],
+    function (TreeNodeController) {
+        "use strict";
+
+        describe("The tree node controller", function () {
+
+        });
+    }
+);