update PrompterTester following merge from master

Author: vicheey

packages/core/src/test/shared/wizards/prompterTester.ts

@@ -18,25 +18,25 @@ export class PrompterTester {
     private inputBoxHanlder: Map<string, (input: TestInputBox) => void> = new Map()
     private testWindow: TestWindow
     private callLog = Array<string>()
-    private handlerTimout: number = 3000 // Default timeout to 3 seconds
+    private handlerTimeout: number = 3000 // Default timeout to 3 seconds
     private callLogCount = new Map<string, number>()
 
     private constructor(config?: PrompterTesterConfig) {
         this.testWindow = config?.testWindow || getTestWindow()
-        this.handlerTimout = config?.handlerTimeout || this.handlerTimout
+        this.handlerTimeout = config?.handlerTimeout || this.handlerTimeout
     }
 
     static init(config?: PrompterTesterConfig): PrompterTester {
         return new PrompterTester(config)
     }
 
-    handleQuickPick(titlePattern: string, handler: (input: TestQuickPick) => void): PrompterTester {
+    handleQuickPick(titlePattern: string, handler: (input: TestQuickPick) => void | Promise<void>): PrompterTester {
         this.quickPickHandlers.set(titlePattern, handler)
         this.callLogCount.set(titlePattern, 0)
         return this
     }
 
-    handleInputBox(titlePattern: string, handler: (input: TestInputBox) => void): PrompterTester {
+    handleInputBox(titlePattern: string, handler: (input: TestInputBox) => void | Promise<void>): PrompterTester {
         this.inputBoxHanlder.set(titlePattern, handler)
         this.callLogCount.set(titlePattern, 0)
         return this
@@ -112,7 +112,13 @@ export class PrompterTester {
         }
 
         try {
-            await waitUntil(handler(input), { timeout: this.handlerTimout, interval: 50 })
+            await waitUntil(
+                async () => {
+                    await handler(input)
+                    return true
+                },
+                { timeout: this.handlerTimeout, interval: 50, truthy: false }
+            )
         } catch (e) {
             // clean up UI on callback function early exit (e.g assertion failure)
             await input.dispose()