Problematic tests list (5 rows):
bugs.gh_0310_test  System table with keywords
bugs.gh_3812_test  Query with SP doesn't accept explicit plan [CORE3451]
bugs.gh_6802_test  When the statement timeout is set, it causes the lock manager to delay reporting deadlocks until timeout is expired
bugs.gh_8061_test  Unnest IN/ANY/EXISTS subqueries and optimize them using semi-join algorithm
functional.metacache.core_4386_metacache_test  Error 'object in use' must NOT raise in 6.x with shared metacache (opposite outcome to prior versions).

This list is the same for:
5.0.4.1809 2026.04.12 14584bef  CS
5.0.4.1809 2026.04.12 14584bef  SS
5.0.4.1810 2026.04.15 0b814b1a  CS
5.0.4.1810 2026.04.15 0b814b1a  SS