it('should call ngOnDestroy for a service that was overridden with useFactory', () => {
     const logs: string[] = [];

     @Injectable()
     class MyService {
       public name = 'MyService';
       ngOnDestroy() {
         logs.push('MyService.ngOnDestroy');
       }
     }

     class FakeService {
       name = 'FakeService';
       ngOnDestroy() {
         logs.push('FakeService.ngOnDestroy');
       }
     }

     @Component({
       selector: 'my-comp',
       template: `{{ myService.name }}`,
       providers: [MyService],
     })
     class MyComponent {
       constructor(public myService: MyService) {}
     }

     TestBed.configureTestingModule({
      declarations: [MyComponent],
     });

     TestBed.overrideProvider(MyService, {
       useFactory: () => new FakeService(),
     });

     const fixture = TestBed.createComponent(MyComponent);
     fixture.detectChanges();

     const service = TestBed.inject(MyService);
     expect(service.name).toBe('FakeService');

     fixture.destroy();

     expect(logs).toEqual(['FakeService.ngOnDestroy']);
   });