protected void SetUp()
{
_svcContainer = new ServiceContainer();
_extMgr = new ExtensionManager(_svcContainer);
_extMgr.ReflectionOnlyScan(new ActivePartRegStrategy(_svcContainer), typeof(TestActivePart).Assembly.FullName);
_svcContainer.Publish <IActivePartManager>(sp => new ActivePartManager(_svcContainer));
}