Since we're dropping test_sstables_manager, we'll require callers to pass it to column_family_test_config, so provide overloads that accept it. The original overloads (that don't accept an sstables_manager) remain for the transition period.
Since we're dropping test_sstables_manager, we'll require callers to pass it to column_family_test_config, so provide overloads that accept it. The original overloads (that don't accept an sstables_manager) remain for the transition period.