Only show tree status if the tree isn't open.

Tools/GardeningServer/ui/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 () {
@@ skipping 11 matching lines @@
   "message": "Tree is throttled just for fun",
   "can_commit_freely": false
 }
 
 closedTreeJson = {
   "username": "username@test.org",
   "message": "Tree is closed for maintenance",
   "can_commit_freely": false
 }
 
-asyncTest("basic", 7, function() {
+asyncTest("basic", 9, function() {
   var simulator = new NetworkSimulator();
   simulator.json = function(url) {
     if (url.indexOf('closed') != -1)
       return Promise.resolve(closedTreeJson);
     else if (url.indexOf('throttled') != -1)
       return Promise.resolve(throttledTreeJson);
     else
       return Promise.resolve(openTreeJson);
   };
+
   var opentree = document.createElement("ct-tree-status");
-  opentree.setAttribute("project", "open-tree-project");
+  opentree.project = "open-tree-project";
   var throttledtree = document.createElement("ct-tree-status");
-  throttledtree.setAttribute("project", "throttled-tree-project");
+  throttledtree.project = "throttled-tree-project";
   var closedtree = document.createElement("ct-tree-status");
-  closedtree.setAttribute("project", "closed-tree-project");
+  closedtree.project = "closed-tree-project";
+
   simulator.runTest(function() {
     var urlByName = treestatus.urlByName;
     treestatus.urlByName = function(name) {
       return name + "-status.appspot.com/current?format=json";
     }
     Promise.all([
       opentree.update().then(function() {
-        equal(opentree.message, "Tree is open");
         equal(opentree.status, "open");
       }),
       throttledtree.update().then(function() {
         equal(throttledtree.message,
               "Tree is throttled just for fun by username@test.org");
         equal(throttledtree.status, "throttled");
       }),
       closedtree.update().then(function() {
         equal(closedtree.message,
               "Tree is closed for maintenance by username@test.org");
         equal(closedtree.status, "closed");
       })
     ]).then(function() {
-      start();
-      treestatus.urlByName = urlByName;
+      requestAnimationFrame(function() {
+        ok(!opentree.shadowRoot.textContent.has("open-tree-project"));
+        ok(throttledtree.shadowRoot.textContent.has("throttled-tree-project"));
+        ok(closedtree.shadowRoot.textContent.has("closed-tree-project"));
+        start();
+        treestatus.urlByName = urlByName;
+      });
     });
   });
 });
 
 })();
 </script>