text: var Base = {
    test: '1',
  };
  
  var obj = {
    bar() {
      return ++super.test;
    }
  };
  Object.setPrototypeOf(obj, Base);
  
  expect(obj.bar()).toBe(2);
  expect(Base.test).toBe('1');
  expect(obj.test).toBe(2);
  