anchor.diff:      });
   
       test('toString returns the absolute url to ref location', () {
  -      expect(f.toString(), TEST_URL + Uri.encodeComponent(_testKey));
  +      expect(f.toString(), testUrl);
       });
   
       test('set', () {
  
positive.code: const OAUTH_TOKEN = null;
  
  final _dateKey = new DateTime.now().toUtc().toIso8601String();
  final _testKey = '$_dateKey'.replaceAll(new RegExp(r'[\.]'), '_');
  
  final _testUrl = TEST_URL + _testKey + '/';
  
  void main() {
    useHtmlConfiguration();
    groupSep = ' - ';
  
    Firebase f;
  
    setUp(() {
      f = new Firebase(_testUrl);
  
      currentSchedule.onComplete.schedule(() {
        if (f != null) {
  
negative.code:       expect(child.key, 'trad');
  
        var parent = child.parent();
        expect(parent.key, _count.toString());
  
        var root = child.root();
        expect(root.key, isNull);
      });
  
      test('key returns last item name', () {
        expect(f.key, _count.toString());
      });
  
      test('key returns null on root location', () {
  