/usr/share/roundcube/plugins/managesieve/tests/ is in roundcube-plugins 0.9.5-4.
This file is owned by root:root, with mode 0o755.
..
/usr/share/roundcube/plugins/managesieve/tests/Managesieve.php
/usr/share/roundcube/plugins/managesieve/tests/Parser.php
/usr/share/roundcube/plugins/managesieve/tests/Tokenizer.php
/usr/share/roundcube/plugins/managesieve/tests/src/
/usr/share/roundcube/plugins/managesieve/tests/src/parser
/usr/share/roundcube/plugins/managesieve/tests/src/parser.out
/usr/share/roundcube/plugins/managesieve/tests/src/parser_body
/usr/share/roundcube/plugins/managesieve/tests/src/parser_enotify_a
/usr/share/roundcube/plugins/managesieve/tests/src/parser_enotify_b
/usr/share/roundcube/plugins/managesieve/tests/src/parser_imapflags
/usr/share/roundcube/plugins/managesieve/tests/src/parser_include
/usr/share/roundcube/plugins/managesieve/tests/src/parser_kep14
/usr/share/roundcube/plugins/managesieve/tests/src/parser_kep14.out
/usr/share/roundcube/plugins/managesieve/tests/src/parser_notify_a
/usr/share/roundcube/plugins/managesieve/tests/src/parser_notify_b
/usr/share/roundcube/plugins/managesieve/tests/src/parser_prefix
/usr/share/roundcube/plugins/managesieve/tests/src/parser_relational
/usr/share/roundcube/plugins/managesieve/tests/src/parser_subaddress
/usr/share/roundcube/plugins/managesieve/tests/src/parser_vacation
/usr/share/roundcube/plugins/managesieve/tests/src/parser_variables