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

id: 'df-row-group-config-1',
    group: [new DsDynamicInputModel({ id: 'dc.title' })],
  }),
  new DynamicRowGroupModel({
    id: 'df-row-group-config-2',
    group: [new DsDynamicInputModel({ id: 'dc.contributor' })],
  })
];

const dynamicFormControlEvent: DynamicFormControlEvent = {
  $event: new Event('change'),
  context: null,
  control: null,
  group: testFormModel[0] as any,
  model: testFormModel[0].group[0],
  type: DynamicFormControlEventType.Change
};

describe('SubmissionSectionformComponent test suite', () => {

  let comp: SubmissionSectionformComponent;
  let compAsAny: any;
  let fixture: ComponentFixture;
  let submissionServiceStub: SubmissionServiceStub;
  let sectionsServiceStub: SectionsServiceStub;
  let notificationsServiceStub: NotificationsServiceStub;
  let formService: any;
  let formConfigService: any;
  let formOperationsService: any;
  let formBuilderService: any;
  let translateService: any;

acceptanceDate: null,
    granted: false
  },
  errors: [],
  header: 'submit.progressbar.describe.license',
  id: 'license',
  sectionType: SectionsType.License
};

const dynamicFormControlEvent: DynamicFormControlEvent = {
  $event: new Event('change'),
  context: null,
  control: null,
  group: null,
  model: null,
  type: DynamicFormControlEventType.Change
};

describe('SubmissionSectionLicenseComponent test suite', () => {

  let comp: SubmissionSectionLicenseComponent;
  let compAsAny: any;
  let fixture: ComponentFixture;
  let submissionServiceStub: SubmissionServiceStub;
  let sectionsServiceStub: SectionsServiceStub;
  let formService: any;
  let formOperationsService: any;
  let formBuilderService: any;
  let collectionDataService: any;

  const submissionId = mockSubmissionId;
  const collectionId = mockSubmissionCollectionId;