Switch to .setTimeout instead of onContentLoaded to start running tests.

client/testing/unittest/unittestsuite.dart

 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 /**
  * Description text of the current test group. If multiple groups are nested,
  * this will contain all of their text concatenated.
  */
 String _currentGroup = '';
 
@@ skipping 258 matching lines @@
  * Lazily initializes the test library if not already initialized.
  */
 _ensureInitialized() {
   if (_state != _UNINITIALIZED) return;
 
   _tests = <TestCase>[];
   _onErrorClosure = (e) { _onError(e); };
 
   // Immediately queue the suite up. It will run after a timeout (i.e. after
   // main() has returned).
-  listener(e) {
+  listener() {
     _currentGroup = '';
     _runTests();
   };
 
-  try {
-    window.dynamic.on.contentLoaded.add(listener);
-  } catch(var e) {
-  // TODO(jacobr): remove this horrible hack to work around dartc bugs.
-    window.dynamic.addEventListener("DOMContentLoaded", listener, false);
-  }
+  window.setTimeout(listener, 0);
 
   _state = _READY;
 }
 
 /**
  * Wraps an value and provides an "==" operator that can be used to verify that
  * the value matches a given expectation.
  */
 class Expectation {
   final _value;
@@ skipping 114 matching lines @@
         ''';
 
     if (stackTrace != null) {
       message +=
           '<tr><td></td><td colspan="2"><pre>${stackTrace}</pre></td></tr>';
     }
   }
 }
 
 typedef void TestFunction();