public void _3_ShouldHaveAnAgeGroupBox()
        {
            Assert.That(_ageGroupBox, Is.Not.Null, () => "Could not find a GroupBox control with header 'Leeftijd'");

            var radioButtons = _ageGroupBox.FindVisualChildren <RadioButton>().ToList();

            Assert.That(radioButtons.Count, Is.EqualTo(4), () => "Could not find 4 RadioButtons within the age groupbox");
        }
        public void _2_ShouldHaveAGenderGroupBox()
        {
            Assert.That(_genderGroupBox, Is.Not.Null, () => "Could not find a GroupBox control with header 'Geslacht'");

            var radioButtons = _genderGroupBox.FindVisualChildren <RadioButton>().ToList();

            Assert.That(radioButtons.Count, Is.EqualTo(2), () => "Could not find 2 RadioButtons within the gender groupbox");
        }