protected override void beforeEach()
 {
     _template = new StubTemplate {
         Origin   = TemplateConstants.HostOrigin,
         RootPath = "root",
         FilePath = FileSystem.Combine("root", "view.spark")
     };
 }
 protected override void beforeEach()
 {
     _template = new StubTemplate {
         Descriptor = new SparkDescriptor(_template)
         {
             ViewModel = typeof(FooViewModel)
         },
         RootPath = Root,
         FilePath = Path.Combine(Root, "home.spark")
     };
 }