Fix notebook tests.

test/src/notebook/panel.spec.ts

@@ -15,14 +15,6 @@ import {
   DocumentRegistry, Context
 } from '../../../lib/docregistry';
 
-import {
-  CompleterWidget, CompletionHandler
-} from '../../../lib/completer';
-
-import {
-  InspectionHandler
-} from '../../../lib/inspector';
-
 import {
   INotebookModel
 } from '../../../lib/notebook/model';
@@ -395,24 +387,6 @@ describe('notebook/notebook/panel', () => {
 
       });
 
-      describe('#createCompleter()', () => {
-
-        it('should create a completer widget', () => {
-          expect(contentFactory.createCompleter({})).to.be.a(CompleterWidget);
-        });
-
-      });
-
-      describe('#createCompleterHandler()', () => {
-
-        it('should create a completer handler', () => {
-          let options = { completer:  new CompleterWidget({}) };
-          let handler = contentFactory.createCompleterHandler(options);
-          expect(handler).to.be.a(CompletionHandler);
-        });
-
-      });
-
     });
 
   });