From da299866d393099776bc4a26fad5513618668701 Mon Sep 17 00:00:00 2001
From: Andrew Scott <atscott01@gmail.com>
Date: Wed, 28 May 2025 09:40:18 -0700
Subject: [PATCH] test(cdk/scrolling): Change test spying on tick

tick is not called by schedulers anymore (they use an internal _tick)
---
 src/cdk/scrolling/virtual-scroll-viewport.spec.ts | 15 +++------------
 1 file changed, 3 insertions(+), 12 deletions(-)

diff --git a/src/cdk/scrolling/virtual-scroll-viewport.spec.ts b/src/cdk/scrolling/virtual-scroll-viewport.spec.ts
index a023cb718439..2357db6d4f29 100644
--- a/src/cdk/scrolling/virtual-scroll-viewport.spec.ts
+++ b/src/cdk/scrolling/virtual-scroll-viewport.spec.ts
@@ -7,7 +7,6 @@ import {
   ScrollingModule,
 } from '../scrolling';
 import {
-  ApplicationRef,
   Component,
   Directive,
   TrackByFunction,
@@ -814,25 +813,17 @@ describe('CdkVirtualScrollViewport', () => {
     }));
 
     describe('viewChange change detection behavior', () => {
-      let appRef: ApplicationRef;
-
-      beforeEach(() => {
-        appRef = TestBed.inject(ApplicationRef);
-      });
-
-      it('should not run change detection if there are no viewChange listeners', fakeAsync(() => {
+      it('should not emit viewChange if there are no listeners', fakeAsync(() => {
+        const viewChangeSpy = spyOn(testComponent.virtualForOf.viewChange, 'next');
         finishInit(fixture);
         testComponent.items = Array(10).fill(0);
         fixture.changeDetectorRef.markForCheck();
         fixture.detectChanges();
         flush();
 
-        spyOn(appRef, 'tick');
-
         viewport.scrollToIndex(5);
         triggerScroll(viewport);
-
-        expect(appRef.tick).not.toHaveBeenCalled();
+        expect(viewChangeSpy).not.toHaveBeenCalled();
       }));
     });
   });