This will fix style check error:
/place/sandbox-data/tasks/4/8/795063184/ClickHouse/tests/queries/0_stateless/01521_connections_with_failover_max_tries_0.reference
/place/sandbox-data/tasks/4/8/795063184/ClickHouse/tests/queries/0_stateless/01521_connections_with_failover_max_tries_0.sql
Tests should not be named with "fail" in their names. It makes looking at the results less convenient when you search for "fail" substring in browser.