Change the value of an injected property is not working

[thiagobustamante]

class Test{
   @IoC.Inject abc: number = 123;
}   

const instance: Test = new Test();
const instance2: Test = new Test();
instance2.abc = 234;

expect(instance.abc).to.eq(123);
expect(instance2.abc).to.eq(234);

This test fail.