因为它不是当前编译的一部分EN所以，点到你的网站，点右边的基本设置，然后在弹出来的对黄狂中，点选...
import{Component}from'@angular/core'import{FormControl,ReactiveFormsModule}from'@angular/forms'import{TestBed}from'@angular/core/testing'import{MockModule}from'ng-mocks'@Component({selector:'app-reproduction',template:``,})classReproductionComponent{control=newFormControl()}describe('Reproduction',()=>...