test: fix ts

Author: posva

e2e/scroll-behavior/scrollWaiter.ts

@@ -1,5 +1,5 @@
 function createScrollWaiter() {
-  let resolve: (() => void) | undefined
+  let resolve: ((value?: any) => void) | undefined
   let promise: Promise<any> | undefined
 
   function add() {

playground/scrollWaiter.ts

@@ -1,5 +1,5 @@
 class ScrollQueue {
-  private resolve: (() => void) | null = null
+  private resolve: ((value?: any) => void) | null = null
   private promise: Promise<any> | null = null
 
   add() {