Sheriff-o-Matic: Convert some more ui tests to mocha

Tools/GardeningServer/ui/test/ct-tree-status-tests.html

+<!--
+Copyright 2014 The Chromium Authors. All rights reserved.
+Use of this source code is governed by a BSD-style license that can be
+found in the LICENSE file.
+-->
+
+<link rel="import" href="../ct-tree-status.html">
+
+<script>
+(function () {
+
+var assert = chai.assert;
+
+describe('ct-tree-status', function() {
+  it('should show statuses', function(done) {
+    var openTree = document.createElement("ct-tree-status");
+    var openTreeStatus = new TreeStatus('open-tree-project');
+    openTreeStatus.status = 'open';
+    openTree.status = openTreeStatus;
+
+    var throttledTree = document.createElement("ct-tree-status");
+    var throttledTreeStatus = new TreeStatus('throttled-tree-project');
+    throttledTreeStatus.status = 'throttled';
+    throttledTreeStatus.message = 'Tree is throttled just for fun';
+    throttledTree.status = throttledTreeStatus;
+
+    var closedTree = document.createElement("ct-tree-status");
+    var closedTreeStatus = new TreeStatus('closed-tree-project');
+    closedTreeStatus.status = 'closed';
+    closedTreeStatus.message = 'Tree is closed';
+    closedTree.status = closedTreeStatus;
+
+    setTimeout(function() {
+      assert.notInclude(!openTree.shadowRoot.textContent, "open-tree-project");
+      assert.include(throttledTree.shadowRoot.textContent, "throttled-tree-project");
+      assert.include(closedTree.shadowRoot.textContent, "closed-tree-project");
+      assert.equal(closedTree.shadowRoot.querySelector('a').href, closedTreeStatus.url);
+
+      done();
+    });
+  });
+});
+
+})();
+  </script>