@Asphal, I gave my 485 interview last year. Interview was very smooth, it was more like verification from 485 form like do you still live in this address, are you still employed by this employer and all yes/no questions. She asked some proof that I'm still employed (I gave few pay stub as proof) and that was it. At the end she said she will approve my case and I'm Permanent Resident of US as of now. Hope this helps.