From 315b272f9fe13a8300a7c781ee0416d546045900 Mon Sep 17 00:00:00 2001
From: Pete Bacon Darwin <pete@bacondarwin.com>
Date: Wed, 20 Jan 2021 10:35:43 +0000
Subject: [PATCH] docs: add missing type parameter to testing example (#40479)

Without this type parameter the call to `resolve()` is invalid.

PR Close #40479
---
 aio/content/examples/testing/src/app/demo/demo.testbed.spec.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/aio/content/examples/testing/src/app/demo/demo.testbed.spec.ts b/aio/content/examples/testing/src/app/demo/demo.testbed.spec.ts
index 9b1e2849fc..c1e1145945 100644
--- a/aio/content/examples/testing/src/app/demo/demo.testbed.spec.ts
+++ b/aio/content/examples/testing/src/app/demo/demo.testbed.spec.ts
@@ -617,7 +617,7 @@ describe('demo (with TestBed):', () => {
 
       child.childValue = 'bar';
 
-      return new Promise(resolve => {
+      return new Promise<void>(resolve => {
         // Wait one JS engine turn!
         setTimeout(() => resolve(), 0);
       })