.invalid, 'invalid is true');
        assert.isTrue(inputContent.classList.contains('is-invalid'), 'label has invalid styling when input is invalid');
        assert.isTrue(line.classList.contains('is-invalid'), 'underline has invalid styling when input is invalid');
      });

      test('styled when the input is set to an invalid value with auto-validate, with validator', function() {
        var container = fixture('auto-validate-validator');
        var input = Polymer.dom(container).querySelector('#i')