Angular 2.0.0 - Testing " imported by the module 'DynamicTestModule' "

I am having a problem in testing app.component.ts in Angular 2. I am using angular-cli. Whenever I run ng test, my app.component.spec.ts makes the console prompt with the error:

Failed: Unexpected directive 'HomeModuleComponent' imported by the module 'DynamicTestModule'
Error: Unexpected directive 'HomeModuleComponent' imported by the module 'DynamicTestModule'


I imported the HomeModuleComponent in TestBed

TestBed.configureTestingModule({
declarations: [AppComponent],
imports : [ HomeModuleComponent ]
});


Can anyone help me with this problem?

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