fa7a711a30b707cbdee4435dd0a956bffb7aaccb test: Fix out-of-range port collisions (MacroFake)
Pull request description:
Otherwise the test will fail if two tests running in parallel use the same port. See https://github.com/bitcoin/bitcoin/pull/25096#discussion_r892558783 and https://github.com/bitcoin/bitcoin/pull/25312
ACKs for top commit:
dergoegge:
ACK fa7a711a30b707cbdee4435dd0a956bffb7aaccb - This gets rid of some rather arbitrary choices for ports in some of our functional tests that can cause port collisions across test runs, resulting in intermittent failures.
Tree-SHA512: ac73da8a498230b992ab12e1ee3c4ff3d868cd63c00d2c71537d156cb7c8f8be8598ec574646b17c5a44ae3ac5bb54bf29d300f054a36cec6f6ce8054a0da0a4
