Update tests

test/src/docregistry/default.spec.ts

@@ -618,8 +618,15 @@ describe('docmanager/default', () => {
     describe('#ready', () => {
 
       it('should resolve when the widget is ready', () => {
+        let widget = new LogRenderer({
+          context,
+          rendermime: RENDERMIME,
+          mimeType: 'text/markdown',
+          renderTimeout: 1000
+        });
         context.save();
         return widget.ready.then(() => {
+          let layout = widget.layout as PanelLayout;
           expect(layout.widgets.length).to.be(2);
         });
       });

test/src/utils.ts

@@ -11,10 +11,6 @@ import {
   ServiceManager
 } from '@jupyterlab/services';
 
-import {
-  Widget
-} from '@phosphor/widgets';
-
 import {
   ClientSession
 } from '@jupyterlab/apputils';
@@ -32,7 +28,7 @@ import {
 } from '@jupyterlab/notebook';
 
 import {
-  IRenderMime, IRenderMime, TextRenderer, HTMLRenderer
+  IRenderMime, RenderMime, TextRenderer, HTMLRenderer
 } from '@jupyterlab/rendermime';
 
 
@@ -191,12 +187,12 @@ namespace Private {
     new JSONRenderer(),
     new InjectionRenderer()
   ];
-  let items = IRenderMime.getDefaultItems();
+  let items = RenderMime.getDefaultItems();
   for (let renderer of renderers) {
     items.push({ mimeType: renderer.mimeTypes[0], renderer });
   }
   export
-  const rendermime = new IRenderMime({ items });
+  const rendermime = new RenderMime({ items });
 }