Current status of Mikoyan's MFI 1.44 demonstrator ???

Are there any NEWs regarding Mikoyan’s MFI 1.44 demonstrator ???

How many flights made it ??? … and will it be used during the future testing for some components in Sukhoi’s “T-50” design ??? … or if not will the S-37 will “get” the AL-41 engines for further testing ??? … or does it still sit in it’s hangar and waints for a final in Monino ???

Thanks in advance, Deino 🙂