message: test(core): check dependency in extended child
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diff: @@ -159,6 +159,7 @@ function factoryFn(a: any){}
  const sportsCar = injector.get(SportsCar);
  expect(car).toBeAnInstanceOf(SportsCar);
  expect(car).toBe(sportsCar);
  + expect(sportsCar.engine).toBeAnInstanceOf(Engine);
  });
  it('should support multiProviders', () => {
  