anchor.diff:  }
   
   void useHtmlIndividualConfiguration([bool isLayoutTest = false]) {
  -  unittest_file.configure(new HtmlIndividualConfiguration(isLayoutTest));
  +  unittest.configure(new HtmlIndividualConfiguration(isLayoutTest));
   }
  
positive.code:   HtmlIndividualConfiguration(isLayoutTest): super(isLayoutTest);
  
    void onStart() {
      var testName = window.location.hash;
      if (testName != '') {
        try {
          testName = testName.substring(1); // cut off the #
          unittest_file.filterTests('^$testName');
        } catch (e) {
          print('tried to match "$testName"');
          for (TestCase c in unittest_file.testCases)
            print('test case ${c.description}');
          print('NO_SUCH_TEST');
          exit(1);
        }
  
negative.code:  * the entire test file.
   *
   * To use, import this file, and call [useHtmlIndividualConfiguration] at the
   * start of your set sequence. Important constraint: your group descriptions
   * MUST NOT contain spaces.
   */
  #library('unittest');
  
  #import('unittest.dart', prefix: 'unittest');
  #import('html_config.dart', prefix: 'htmlconfig');
  #import('dart:html');
  
  