Problematic tests list (7 rows):
bugs.core_0733_test  Compress Data over the Network
bugs.gh_6875_test  Significant performance regression of SIMILAR TO and SUBSTRING(SIMILAR) when pattern is taken from variable (rather than directly specified)
bugs.gh_7436_test  Backup error for wide table
functional.arno.optimizer.test_opt_sort_by_index_10  ORDER BY ASC using index (multi)
functional.arno.optimizer.test_opt_sort_by_index_13  ORDER BY ASC using index (multi)
functional.arno.optimizer.test_opt_sort_by_index_19  ORDER BY ASC using index (multi) and WHERE clause
functional.intl.test_non_ascii_firebird_and_trace_utf8  Check ability to obtain non-ascii content from firebird.log and trace when use ON DISCONNECT trigger and exception with non-ascii names, charset = UTF8.

This list is the same for:
4.0.6.3168 2024.11.28 481494ef  CS