Catel - Part 4 of n: Unit testing with Catel

<ExampleWindows:PersonWindowIntermediate x:Class="Catel.Examples.Silverlight.UI.Windows.PersonWindow"
                                         xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
                                         xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" 
                                         xmlns:Windows="clr-namespace:Catel.Windows;assembly=Catel.Silverlight" 
                                         xmlns:Converters="clr-namespace:Catel.Examples.Silverlight.UI.Data.Converters"
                                         xmlns:Controls="clr-namespace:Catel.Windows.Controls;assembly=Catel.Silverlight"
                                         xmlns:ExampleWindows="clr-namespace:Catel.Examples.Silverlight.UI.Windows"
                                         Width="400" Height="300">

    <!-- Resources -->
    <Windows:DataWindow.Resources>
        <!-- Converters -->
        <Converters:GenderToIsSelectedConverter x:Key="GenderToIsSelectedConverter" />
    </Windows:DataWindow.Resources>

    <!-- Content -->
    <Controls:StackGrid>
        <!-- Row definitions -->
        <Controls:StackGrid.RowDefinitions>
            <RowDefinition Height="Auto" />
            <RowDefinition Height="Auto" />
            <RowDefinition Height="Auto" />
            <RowDefinition Height="Auto" />
        </Controls:StackGrid.RowDefinitions>

        <!-- Column definitions -->
        <Controls:StackGrid.ColumnDefinitions>
            <ColumnDefinition Width="Auto" />
            <ColumnDefinition Width="*" />
        </Controls:StackGrid.ColumnDefinitions>

        <!-- Gender -->
        <TextBlock Text="Gender" />
        <StackPanel Orientation="Horizontal" x:Name="genderStackPanel">
            <RadioButton Content="Male" IsChecked="{Binding Gender, Mode=TwoWay, Converter={StaticResource GenderToIsSelectedConverter}, ConverterParameter=Male, ValidatesOnDataErrors=True, NotifyOnValidationError=True}" />
            <RadioButton Content="Female" IsChecked="{Binding Gender, Mode=TwoWay, Converter={StaticResource GenderToIsSelectedConverter}, ConverterParameter=Female, ValidatesOnDataErrors=True, NotifyOnValidationError=True}" />
        </StackPanel>

        <!-- First name -->
        <TextBlock Text="First name" />
        <TextBox Text="{Binding FirstName, Mode=TwoWay, ValidatesOnDataErrors=True, NotifyOnValidationError=True}" />

        <!-- Middle name -->
        <TextBlock Text="Middle name" />
        <TextBox Text="{Binding MiddleName, Mode=TwoWay, ValidatesOnDataErrors=True, NotifyOnValidationError=True}" />

        <!-- Last name -->
        <TextBlock Text="Last name" />
        <TextBox Text="{Binding LastName, Mode=TwoWay, ValidatesOnDataErrors=True, NotifyOnValidationError=True}" />
    </Controls:StackGrid>
</ExampleWindows:PersonWindowIntermediate>