A Testing Framework test for WPF is throwing MissingMethodException, see below for details. Example will be submitted internally.

[WPF Extension Error] Details: System.MissingMethodException: No parameterless constructor defined for this object.
   at System.RuntimeTypeHandle.CreateInstance(RuntimeType type, Boolean publicOnly, Boolean noCheck, Boolean& canBeCached, RuntimeMethodHandleInternal& ctor, Boolean& bNeedSecurityCheck)
   at System.RuntimeType.CreateInstanceSlow(Boolean publicOnly, Boolean skipCheckThis, Boolean fillCache, StackCrawlMark& stackMark)
   at System.RuntimeType.CreateInstanceDefaultCtor(Boolean publicOnly, Boolean skipCheckThis, Boolean fillCache, StackCrawlMark& stackMark)
   at System.Activator.CreateInstance(Type type, Boolean nonPublic)
   at System.Activator.CreateInstance(Type type)
   at ArtOfTest.WebAii.Silverlight.ObjectConverter.ToReal(Object peer, String realTypeString)
   at ArtOfTest.WebAii.Silverlight.AutomationObject`1.ToRealObject()
   at ArtOfTest.WebAii.Silverlight.ObjectConverter.ToReal(Object peer, String realTypeString)
   at ArtOfTest.WebAii.Silverlight.AutomationObject`1.ToRealObject()
   at Telerik.TestingFramework.XamlExtension.ClientProcessor.ProcessCommand(String command)