text: import deepClone from './deepClone';
  
  const fixtureData = {
    foo: 123,
    bar: {
      baz: 456,
    },
  };
  
  describe('deepClone', () => {
    it('should return an identical object', () => {
      expect(deepClone(fixtureData).bar.baz).toEqual(456);
    });
  
    it('should return a NEW object', () => {
      const newObj = deepClone(fixtureData);
      newObj.foo = 'overridden value';
      expect(fixtureData.foo).toEqual(123);
    });
  });
  