Lazy test-controller, but not working anymore...

src/app/app-routing.module.ts

src/app/app.component.html

src/app/app.module.ts

src/app/test-controller/test-controller-routing.module.ts

src/app/test-controller/test-controller.component.html

src/app/test-controller/unithost/unithost.component.ts

src/environments/environment.ts