anchor.diff:  }
   
   /** Publish results on the page and notify controller. */
  -_completeTests() {
  +void _completeTests() {
     if (!_initialized) return;
     int passed = 0;
     int failed = 0;
  
positive.code: void _nextTestCase() {
    _defer(() {
      _currentTest++;
      _testRunner();
    });
  }
  
  
negative.code: 
  /** Get the list of tests. */
  List<TestCase> get testCases => _tests;
  
  /** Setup function called before each test in a group */
  Function _testSetup;
  