Angular testing - Do you have to import tested component upon calling configureTestingModule

See examples here: https://angular.dev/guide/testing/components-scenarios, they all have imports: [BannerComponent]. Is it necessary? Tests seem to run fine without it. I am assuming that the component is standalone

beforeEach(() => {
TestBed.configureTestingModule({
imports: [BannerComponent], // This line
});
fixture = TestBed.createComponent(BannerComponent);
component = fixture.componentInstance;
h1 = fixture.nativeElement.querySelector('h1');
});

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