失败：模块“ DynamicTestModule”导入了意外值“ WidgetGeneralSettings”。请添加@NgModule批注

Question

我正在尝试测试此组件，但是出现此错误

fdescribe('DateTimeWidgetComponent', () => {
  let component: DateTimeWidgetComponent;
  let fixture: ComponentFixture<DateTimeWidgetComponent>;
  beforeEach(async(() => {
    TestBed.configureTestingModule({
      declarations: [DateTimeWidgetComponent],
      imports: [FlexLayoutModule, WidgetGeneralSettings]
    })
      .compileComponents();
  }));

这是测试中调用的类

导出类WidgetGeneralSettings {

  title: string;
  backgroundColor: string;
  color: string;
  style: string;

}