我试图用NUnit和标准控制台（GUI或不是GUI）运行程序测试Windows Phone7.1类库。

System.TypeLoadException..

服务器堆栈跟踪：en system.modulehandle.resolvetype(Int32 typeToken,runtimeTypeHandle*typeInstArgs,Int32 typeInstCount,runtimeTypeHandle*methodInstArgs,Int32 methodInstCount,Int32 methodInstCount,Int32 methodInstCount）en system.moduleHandle.resolvetypeHandle(Int32 typeToken,runtimeTypeHandle[]typeInstantiationContext,Ataimport范围、Assembly和lastAptcaOkAssembly,Module decoatedModule,metadataToken decoatedToken,RuntimeType attributeFilterType,Boolean mustBeInheritable,Object[]属性，IList DeriveDataTributes,RuntimeMethodHandle和ctor,Boolean和ctorHasParameters,Boolean和isVarArg）ensystem.Reflection.customAttributes（ModuleimeType attributeFilterType,Boolean mustBeInheritable,IList DeriveDatAttributes）en System.Reflection.customAttributes（Assembly Assembly,RuntimeType caType）en System.Reflection.Assembly.GetCustomAttributes（Assembly Assembly,RuntimeType caType）en System.Reflection.Assembly.GetCustomAttributes（类型.builders.testAssemblyBuilder.build（String assemblyName,Boolean autoSuites）en nunit.core.builders.testAssemblyBuilder.build（String assemblyName,String testName,Boolean autoSuites）en nunit.core.testSuiteBuilder.build（String assemblyName,String testName,Boolean autoSuites）en nunit.core.testSuiteBuilder.buildtPackage package）en nunit.core.proxyTestRunner.load（TestPackage package）en nunit.core.remoteteStrunner.load（TestPackage package）en system.runtime.remoting.messaging.stackBuilderSink._privateProcessMessage（IntPtr md,Object[]args,Object server,Int32 methodPtr,Boolean fExecuteInContext,Object[]&outArgs）en SyncProcessMessage（IMessage msg,Int32 methodPtr,Boolean fExecuteInContext）

在[0]:ensystem.runtime.remoting.proxies.realproxy.handlereTurnMessage（IMessage reqMsg,IMessage retMsg）ensystem.runtime.remoting.proxies.realproxy.privateInvoke（messagedata&msgData,Int32类型）ennunit.core.testrunner.load（TestPackage包）ennunit.util.testdomain.load（TestPackage包）ennunit.util.testloader.loadTest（String

有人知道我找不到的问题是什么吗？