anchor.diff:      'teardown test',
       'setup and teardown test',
       'correct callback test',
  -    'excess callback test with callback name',
  +    'excess callback test',
       'completion test',
       'async exception test',
       'late exception test',
  
positive.code:     } else if (testName == 'correct callback test') {
        test(testName,
          () =>_defer(expectAsync0((){ ++_testconfig.count;})));
      } else if (testName == 'excess callback test with callback name') {
        test(testName, () {
          var _callback = expectAsync0(foo);
          _defer(_callback);
          _defer(_callback);
        });
  
negative.code:   }
  }
  
  runTest() {
    port.receive((testName, sendport) {
      configure(_testconfig = new TestConfiguration(sendport));
  