https://stackoverflow.com/questions/58622486/testbed-overrideprovider-isnt-override-service-in-effect-ts link question on stackoverflow ``` class MockAuthService { currentUser = of(fromSeeds.userAuth); } describe('AuthEffects', () => { ... let authService: AuthService; beforeEach(async () => { TestBed.configureTestingModule({ ......, { provide: AuthService, useClass: MockAuthService }, ... }) }) describe('listen$', () => { beforeEach(async () => { TestBed.overrideProvider(authService.currentUser, { useValue: of({ ...fromSeeds.userAuth, emailVerified: false }) }); }); it('should', () => { // test here }) }); ```
https://stackoverflow.com/questions/58622486/testbed-overrideprovider-isnt-override-service-in-effect-ts link question on stackoverflow