Specifically:
src/mongo/db/modules/enterprise/jstests/hot_backups/multiVersion/sharded_last_cont_pit_backup_restore_simple_config_shard.js
src/mongo/db/modules/enterprise/jstests/hot_backups/multiVersion/sharded_last_cont_backup_restore_simple_config_shard.js
These have to be disabled until SERVER-84548 is merged in 7.3.