import { ComponentFixture, TestBed } from '@angular/core/testing'; import { PlaygroundComponent } from './playground.component'; describe('PlaygroundComponent', () => { let component: PlaygroundComponent; let fixture: ComponentFixture; beforeEach(async () => { await TestBed.configureTestingModule({ declarations: [ PlaygroundComponent ] }) .compileComponents(); }); beforeEach(() => { fixture = TestBed.createComponent(PlaygroundComponent); component = fixture.componentInstance; fixture.detectChanges(); }); it('should create', () => { expect(component).toBeTruthy(); }); });