public void then_validator_throws_error_message()
        {
            ValidationViewModel.Validate();
            var lowerBoundProperty = ValidationViewModel.DescendentConfigurationsOfType <StringLengthValidatorData>().First().Properties.Single(p => p.PropertyName == "LowerBound");

            Assert.AreEqual(1, lowerBoundProperty.ValidationResults.Count());
        }
 protected override void Act()
 {
     sectionModel.Validate();
 }