/usr/share/php/tests/Horde_Text_Filter/ is in php-horde-text-filter 2.2.0-1.
This file is owned by root:root, with mode 0o755.
..
/usr/share/php/tests/Horde_Text_Filter/Horde/
/usr/share/php/tests/Horde_Text_Filter/Horde/Text/
/usr/share/php/tests/Horde_Text_Filter/Horde/Text/Filter/
/usr/share/php/tests/Horde_Text_Filter/Horde/Text/Filter/AllTests.php
/usr/share/php/tests/Horde_Text_Filter/Horde/Text/Filter/EmailsTest.php
/usr/share/php/tests/Horde_Text_Filter/Horde/Text/Filter/EnvironmentTest.php
/usr/share/php/tests/Horde_Text_Filter/Horde/Text/Filter/Html2textTest.php
/usr/share/php/tests/Horde_Text_Filter/Horde/Text/Filter/LinkurlsTest.php
/usr/share/php/tests/Horde_Text_Filter/Horde/Text/Filter/Space2htmlTest.php
/usr/share/php/tests/Horde_Text_Filter/Horde/Text/Filter/Text2htmlTest.php
/usr/share/php/tests/Horde_Text_Filter/Horde/Text/Filter/WordsTest.php
/usr/share/php/tests/Horde_Text_Filter/Horde/Text/Filter/XssTest.php
/usr/share/php/tests/Horde_Text_Filter/Horde/Text/Filter/bootstrap.php
/usr/share/php/tests/Horde_Text_Filter/Horde/Text/Filter/fixtures/
/usr/share/php/tests/Horde_Text_Filter/Horde/Text/Filter/fixtures/bug_11116.txt
/usr/share/php/tests/Horde_Text_Filter/Horde/Text/Filter/phpunit.xml