How to use the @ng-dynamic-forms/core.DynamicRatingModel function in @ng-dynamic-forms/core

describe("DynamicBootstrapRatingComponent test suite", () => {

    let testModel = new DynamicRatingModel({id: "rating"}),
        formModel = [testModel],
        formGroup: FormGroup,
        fixture: ComponentFixture,
        component: DynamicBootstrapRatingComponent,
        debugElement: DebugElement,
        testElement: DebugElement;

    beforeEach(async(() => {

        TestBed.configureTestingModule({

            imports: [
                ReactiveFormsModule,
                NoopAnimationsModule,
                TextMaskModule,
                RatingModule.forRoot(),

describe("DynamicPrimeNGRatingComponent test suite", () => {

    let testModel = new DynamicRatingModel({id: "rating"}),
        formModel = [testModel],
        formGroup: FormGroup,
        fixture: ComponentFixture,
        component: DynamicPrimeNGRatingComponent,
        debugElement: DebugElement,
        testElement: DebugElement;

    beforeEach(async(() => {

        TestBed.configureTestingModule({

            imports: [
                ReactiveFormsModule,
                NoopAnimationsModule,
                TextMaskModule,
                RatingModule,

describe("DynamicNGBootstrapRatingComponent test suite", () => {

    let testModel = new DynamicRatingModel({id: "rating"}),
        formModel = [testModel],
        formGroup: FormGroup,
        fixture: ComponentFixture,
        component: DynamicNGBootstrapRatingComponent,
        debugElement: DebugElement,
        testElement: DebugElement;

    beforeEach(async(() => {

        TestBed.configureTestingModule({

            imports: [
                ReactiveFormsModule,
                NoopAnimationsModule,
                TextMaskModule,
                NgbRatingModule,