Update tests

test/src/docregistry/default.spec.ts

@@ -21,7 +21,7 @@ import {
 } from '../docmanager/mockcontext';
 
 
-class WidgetFactory extends ABCWidgetFactory {
+class WidgetFactory extends ABCWidgetFactory<Widget, IDocumentModel> {
 
   createNew(context: IDocumentContext<IDocumentModel>, kernel?: IKernel.IModel): Widget {
     return new Widget();

test/src/notebook/notebook/widgetfactory.spec.ts

@@ -135,20 +135,6 @@ describe('notebook/notebook/widgetfactory', () => {
 
     });
 
-    describe('#beforeClose()', () => {
-
-      it('should be a no-op', (done) => {
-        let model = new NotebookModel();
-        let context = new MockContext<NotebookModel>(model);
-        let factory = new NotebookWidgetFactory(rendermime, clipboard);
-        let panel = factory.createNew(context);
-        factory.beforeClose(panel, context).then(() => {
-          done();
-        });
-      });
-
-    });
-
   });
 
 });