refactor(service-worker): update tests based of review feedback (#25860)

- Rename invalid click event name
- Make test expects more explicit
- Remove NotificationClickEvent in favor of NotificationEvent

PR Close #25860

packages/service-worker/worker/src/service-worker.d.ts

@@ -72,7 +72,7 @@ interface ActivateEvent extends ExtendableEvent {}
 
 // Notification API
 
-interface NotificationEvent {
+interface NotificationEvent extends ExtendableEvent {
   action: string;
   notification: Notification;
 }
@@ -83,8 +83,6 @@ interface PushEvent extends ExtendableEvent {
   data: PushMessageData;
 }
 
-interface NotificationClickEvent extends NotificationEvent, ExtendableEvent {}
-
 interface PushMessageData {
   arrayBuffer(): ArrayBuffer;
   blob(): Blob;
@@ -116,7 +114,7 @@ interface ServiceWorkerGlobalScope {
   addEventListener(event: 'fetch', fn: (event?: FetchEvent) => any): void;
   addEventListener(event: 'install', fn: (event?: ExtendableEvent) => any): void;
   addEventListener(event: 'push', fn: (event?: PushEvent) => any): void;
-  addEventListener(event: 'notificationclick', fn: (event?: NotificationClickEvent) => any): void;
+  addEventListener(event: 'notificationclick', fn: (event?: NotificationEvent) => any): void;
   addEventListener(event: 'sync', fn: (event?: SyncEvent) => any): void;
 
   fetch(request: Request|string): Promise<Response>;