fix(types): fix AsyncIterableIterator type error

Closes #1839

Author: adamdbradley

src/declarations/testing.ts

@@ -121,12 +121,16 @@ export interface MatchScreenshotOptions {
 }
 
 
-export interface EventSpy extends AsyncIterableIterator<SerializedEvent> {
+export interface EventSpy {
   events: SerializedEvent[];
   eventName: string;
   firstEvent: SerializedEvent;
   lastEvent: SerializedEvent;
   length: number;
+  next(): Promise<{
+    done: boolean;
+    value: SerializedEvent;
+  }>;
 }
 
 

src/testing/puppeteer/puppeteer-events.ts

@@ -72,10 +72,6 @@ export class EventSpy implements d.EventSpy {
     return this.events[this.events.length - 1] || null;
   }
 
-  [Symbol.asyncIterator]() {
-    return this;
-  }
-
   next() {
     const cursor = this.cursor;
     this.cursor++;