fix test error and improve label

src/vs/base/browser/ui/notificationLabel/notificationLabel.ts

@@ -8,11 +8,7 @@ import * as dom from 'vs/base/browser/dom';
 
 const $ = dom.$;
 
-export interface KeybindingLabelOptions {
-	renderUnboundKeybindings: boolean;
-}
-
-export class KeybindingLabel {
+export class NotificationLabel {
 
 	private domNode: HTMLElement;
 

src/vs/platform/notification/test/common/testNotificationService.ts

@@ -3,10 +3,13 @@
  *  Licensed under the MIT License. See License.txt in the project root for license information.
  *--------------------------------------------------------------------------------------------*/
 
-import { INotificationService, INotificationHandle, NoOpNotification, Severity, INotification, IPromptChoice, IPromptOptions, IStatusMessageOptions, NotificationsFilter } from 'vs/platform/notification/common/notification';
+import { INotificationService, INotificationHandle, NoOpNotification, Severity, INotification, IPromptChoice, IPromptOptions, IStatusMessageOptions, NotificationsFilter, INotificationItem } from 'vs/platform/notification/common/notification';
 import { Disposable, IDisposable } from 'vs/base/common/lifecycle';
 
 export class TestNotificationService implements INotificationService {
+	getNotifications(): INotificationItem[] {
+		return [];
+	}
 
 	declare readonly _serviceBrand: undefined;