public void WhenConvertBackCalledWithNonMatchThenUnsetValueReturned()
{
// Arrange
var expected = DependencyProperty.UnsetValue;
var value = Visibility.Collapsed;
var target = new BooleanVisibilityConverter();
// Act
var actual = target.ConvertBack(value, typeof(bool?), null, CultureInfo.InvariantCulture);
// Assert
Assert.AreEqual(expected, actual);
}