bugs.gh_7591_test
RELEASE SAVEPOINT ONLY works incorrectly
  UTC 2023.05.24 17:29 pavel-zotov
  Added/Updated tests\bugs\gh_7591_test.py: Checked on 4.0.3.2942 - all OK.
  https://github.com/FirebirdSQL/firebird-qa/commit/735578968e58c5cafb5c3f90a9c75d1ec957c048