Angular Karma Jasmine Error: Illegal state: Could not load the summary for directive

Question

I\'m developing a github repository (with angular 7 and angular-cli), and I have some tests with Karma and Jasmine working in the master branch.

Now I\'m trying to add l

Answer 1

This type of error raised due to missing adding component in declarations and services in provider of TestBed configuration.

beforeEach(() => {
    TestBed.configureTestingModule({
      imports: [RouterTestingModule.withRoutes([
        { path: 'home', component: DummyComponent },
        { path: 'patients/find', component: DummyComponent }
      ])],
      declarations: [RoutingComponent, DummyComponent,BreadcrumbComponent],
      providers : [BreadCrumbService]
    });