public void when_true_is_passed_then_Visible_is_returned()
        {
            var converter = new BooleanToVisibilityConverter();
            var result = converter.Convert(true, null, null, null);

            Assert.That(result, Is.EqualTo(Visibility.Visible));
        }
        public void when_false_is_passed_then_Collapsed_is_returned()
        {
            var converter = new BooleanToVisibilityConverter();
            var result = converter.Convert(false, null, null, null);

            Assert.That(result, Is.EqualTo(Visibility.Collapsed));
        }