Problematic tests list (2 rows):
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.
functional.session.test_ext_conn_pool_01  External Connections Pool, functionality test 01

This list is the same for:
4.0.6.3188 2025.02.21 8ee1ca84  CS