Reverted a couple of earlier cleanups to the unittest framework. They introduced issues with cases …

lib/unittest/interactive_html_config.dart

 // Copyright (c) 2012, 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.
 
 /**
  * This configuration can be used to rerun selected tests, as well
  * as see diagnostic output from tests. It runs each test in its own
  * IFrame, so the configuration consists of two parts - a 'master'
  * config that manages all the tests, and a 'slave' config for the
  * IFrame that runs the individual tests.
@@ skipping 409 matching lines @@
     // inline as attributes but that started getting very messy,
     // so we do it this way.
     document.body.nodes.add(new Element.html("<style>$_CSS</style>"));
     document.body.nodes.add(new Element.html(
         "<div id='control'>"
             "<input id='start' disabled='true' type='button' value='Run'>"
         "</div>"));
     document.query('#start').on.click.add((e) {
       InputElement startButton = document.query('#start');
       startButton.disabled = true;
-      runTests();
+      rerunTests();
     });
   }
   if (document.query('#otherlogs') == null) {
     document.body.nodes.add(new Element.html(
         "<div id='otherlogs'></div>"));
   }
   if (document.query('#specs') == null) {
     document.body.nodes.add(new Element.html(
         "<div id='specs'><div id='group-divs'></div></div>"));
   }
@@ skipping 212 matching lines @@
 display: block;
 list-style-type: disc;
 -webkit-margin-before: 1em;
 -webkit-margin-after: 1em;
 -webkit-margin-start: 0px;
 -webkit-margin-end: 0px;
 -webkit-padding-start: 40px;
 }
 
   """;