@NgModule({ // なんやかや〜〜〜 declarations: [AppComponent], imports: [BrowserModule], providers: [MyService], bootstrap: [AppComponent] }) class AppModule { } describe('MyGreatComponentのテスト', () => { let component; let fixture; // テスト準備 beforeEach(async(() => { // テストベッド(テスト環境)構築 TestBed.configureTestingModule({ // なんやかや〜〜〜 declarations: [ MyGreatComponent ], imports: [ ], providers: [ ] }) .compileComp