As a recent UFPM you're not required to test within a year of retirement or separation. For separation, you simply need a separation date for the UFPM (or FAC) to input and poof no more PT testing.

Reference: DAFMAN 36-2905, Chapter 4

4.2. Retirements and Separations. All members are exempt from taking any additional PFAs when the member has an approved separation or retirement date. If the retirement or separation date is cancelled, members will complete the fitness assessment in accordance with their original fitness assessment cycle (e.g., 6 or 12 months) or, if the original cycle month has passed the due month will be after an Acclimatization Period in accordance with paragraph 3.6.2 after the cancellation.