Fix exceptions when running the tests.

Tools/GardeningServer/scripts/treestatus_unittests.js

Index: Tools/GardeningServer/scripts/treestatus_unittests.js
diff --git a/Tools/GardeningServer/scripts/treestatus_unittests.js b/Tools/GardeningServer/scripts/treestatus_unittests.js
index 5c4a7d9824fa1eed819f3761c750e639cc6759be..6a8ac6b643c52bf5a8b6c192be2a33d410b3b410 100644
--- a/Tools/GardeningServer/scripts/treestatus_unittests.js
+++ b/Tools/GardeningServer/scripts/treestatus_unittests.js
@@ -49,7 +49,7 @@ test('urlByName', 3, function() {
     equal(treestatus.urlByName('foo'), null);
 });
 
-asyncTest('fetchTreeStatus', 4, function() {
+asyncTest('fetchTreeStatus', 3, function() {
     var simulator = new NetworkSimulator();
 
     simulator.json = function(url)
@@ -67,13 +67,11 @@ asyncTest('fetchTreeStatus', 4, function() {
                 equal(span.textContent, 'OPEN');
 
                 span = document.createElement('span');
-                simulator.runTest(function() {
-                    treestatus.fetchTreeStatus('http://closedtree', span)
-                        .then(function() {
-                            equal(span.textContent, 'Tree is closed by ojan@chromium.org');
-                            start();
-                        });
-                });
+                treestatus.fetchTreeStatus('http://closedtree', span)
+                    .then(function() {
+                        equal(span.textContent, 'Tree is closed by ojan@chromium.org');
+                        start();
+                    });
             });
     });
 });