Can't bind to property created by aspect supported dependency property factory

[Whathecode]

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Sometimes binding properties within Xaml, created by the aspects version of the dependency property factory (WpfControl) throws the following exception: "A 'Binding' cannot be set on the 'Standard' property of type 'TestControl'. A 'Binding' can only be set on a DependencyProperty of a DependencyObject."

The full stack trace of the failing unit test, XamlInitializationTest:

Initialization method Whathecode.Tests.System.Windows.DependencyPropertyFactory.Aspects.XamlTest.InitializeTest threw exception. System.Reflection.TargetInvocationException: System.Reflection.TargetInvocationException: Exception has been thrown by the target of an invocation. ---> System.Windows.Markup.XamlParseException: A 'Binding' cannot be set on the 'Standard' property of type 'TestControl'. A 'Binding' can only be set on a DependencyProperty of a DependencyObject..
    at System.Windows.Markup.WpfXamlLoader.Load(XamlReader xamlReader, IXamlObjectWriterFactory writerFactory, Boolean skipJournaledProperties, Object rootObject, XamlObjectWriterSettings settings, Uri baseUri)
   at System.Windows.Markup.WpfXamlLoader.LoadBaml(XamlReader xamlReader, Boolean skipJournaledProperties, Object rootObject, XamlAccessLevel accessLevel, Uri baseUri)
   at System.Windows.Markup.XamlReader.LoadBaml(Stream stream, ParserContext parserContext, Object parent, Boolean closeStream)
   at System.Windows.Application.LoadComponent(Object component, Uri resourceLocator)
   at XamlTests.Aspects.XamlControl.InitializeComponent() in XamlControl.xaml: line 1
   at XamlTests.Aspects.XamlControl..ctor() in XamlControl.xaml.cs: line 11
 --- End of inner exception stack trace ---
    at System.RuntimeTypeHandle.CreateInstance(RuntimeType type, Boolean publicOnly, Boolean noCheck, ref Boolean canBeCached, ref RuntimeMethodHandleInternal ctor, ref Boolean bNeedSecurityCheck)
   at System.RuntimeType.CreateInstanceSlow(Boolean publicOnly, Boolean skipCheckThis, Boolean fillCache, ref StackCrawlMark stackMark)
   at System.RuntimeType.CreateInstanceDefaultCtor(Boolean publicOnly, Boolean skipCheckThis, Boolean fillCache, ref StackCrawlMark stackMark)
   at System.Activator.CreateInstance()
   at Whathecode.Tests.System.Windows.DependencyPropertyFactory.BaseXamlTest`1.InitializeTest() in BaseXamlTest.cs: line 15

The unit test somehow only seems to fail when ran individually, so I expect there to be some remnant state within the aspects which causes/prevents the problem from occurring.