unittest step2: bye bye to multiple entrypoints for unittest

samples/tests/samples/src/swarm/SwarmTest.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.
 
 #library('swarm_tests');
 
 #import('dart:html');
 #import('../../../../swarm/swarmlib.dart');
 #import('../../../../ui_lib/base/base.dart');
 #import('../../../../ui_lib/view/view.dart');
 #import('../../../../ui_lib/util/utilslib.dart');
-#import('../../../../../lib/unittest/unittest_html.dart');
+#import('../../../../../lib/unittest/unittest.dart');
+#import('../../../../../lib/unittest/html_config.dart');
 
 // TODO(jmesserly): these would probably be easier to debug if they were written
 // in the WebKit layout test style, so we could easy compare that the DOM is
 // what we expect it to be after performing some simulated user actions.
 
 void main() {
+  useHtmlConfiguration();
   Swarm swarm = new Swarm();
   UIStateProxy state = new UIStateProxy(swarm.sections);
   swarm.state = state;
   swarm.run();
   // TODO(jmesserly): should be adding the full stylesheet here
   Dom.addStyle('''
       .story-content {
         -webkit-column-width: 300px;
         -webkit-column-gap: 26px; /* 2em */
       }''');
@@ skipping 116 matching lines @@
     void invokeNext() {
       closures[i]();
       i++;
       if (i < length) {
         window.setTimeout(invokeNext, 0);
       }
     }
     window.setTimeout(invokeNext, 0);
   }
 }