Problematic tests list (8 rows):

bugs.core_2484_test | Success message when connecting to tiny trash database file
bugs.core_5236_test | IN/ANY/ALL predicates may cause sub-optimal (late filtering) execution of joins
bugs.core_5637_test | string right truncation on restore of security db
bugs.gh_7611_test | Can't backup/restore database from v3 to v4 with SEC$USER_NAME field longer than 10 characters.
bugs.gh_8223_test | SubQueryConversion = true: error "no current record for fetch operation" with complex joins
functional.services.test_user_management | Check ability to make connect to FB services and add/drop user
functional.sqlancer.doi_10_1145_3428279_example_18_test | Comparison of string and numeric literals
functional.tabloid.test_3b372197 | built-in functions UNICODE_CHAR and UNICODE_VAL

This list is the same for:

6.0.0.800 2025.06.10 1f226fc8 | CS
6.0.0.800 2025.06.10 1f226fc8 | SS