public void Clear()
        {
            PageNavigationTypeResolver.AssignAssemblies <TestPage, TestPageViewModel>();
            PageNavigationTypeResolver.Clear();

            Assert.Null(PageNavigationTypeResolver.ResolveForViewModelType(typeof(TestPage)));
            Assert.Null(PageNavigationTypeResolver.ResolveForViewType <TestPageViewModel>());
        }
 public PageNavigationTypeResolverFixture()
 {
     PageNavigationTypeResolver.Clear();
 }