/usr/share/php/tests/Horde_Prefs/Horde/Prefs/Unit/Storage/ is in php-horde-prefs 2.5.2-1.
This file is owned by root:root, with mode 0o755.
..
/usr/share/php/tests/Horde_Prefs/Horde/Prefs/Unit/Storage/FileTest.php
/usr/share/php/tests/Horde_Prefs/Horde/Prefs/Unit/Storage/KolabImapLogTest.php
/usr/share/php/tests/Horde_Prefs/Horde/Prefs/Unit/Storage/KolabImapTest.php
/usr/share/php/tests/Horde_Prefs/Horde/Prefs/Unit/Storage/Sql/
/usr/share/php/tests/Horde_Prefs/Horde/Prefs/Unit/Storage/Sql/Base.php
/usr/share/php/tests/Horde_Prefs/Horde/Prefs/Unit/Storage/Sql/MysqlTest.php
/usr/share/php/tests/Horde_Prefs/Horde/Prefs/Unit/Storage/Sql/MysqliTest.php
/usr/share/php/tests/Horde_Prefs/Horde/Prefs/Unit/Storage/Sql/Pdo/
/usr/share/php/tests/Horde_Prefs/Horde/Prefs/Unit/Storage/Sql/Pdo/MysqlTest.php
/usr/share/php/tests/Horde_Prefs/Horde/Prefs/Unit/Storage/Sql/Pdo/PgsqlTest.php
/usr/share/php/tests/Horde_Prefs/Horde/Prefs/Unit/Storage/Sql/Pdo/SqliteTest.php