# pear channel-discover pear.phpunit.de
# pear channel-discover pear.symfony-project.com

$ ls -l /usr/bin/php*
-rwxr-xr-x 1 root root 3120564 Jul  8  2009 /usr/bin/php
-rwxr-xr-x 1 root root 3136568 Jul  8  2009 /usr/bin/php-cgi
-rwxr-xr-x 1 root root    4521 Jul  8  2009 /usr/bin/php-config
-rwxr-xr-x 1 root root    4140 Jul  8  2009 /usr/bin/phpize
-rwxr-xr-x 1 root root    2101 Apr 21 10:27 /usr/bin/phpunit

$ ls -l /usr/share/pear/PHPUnit/
total 24
drwxr-xr-x 7 root root 4096 Apr 21 10:27 Extensions
drwxr-xr-x 8 root root 4096 Apr 21 10:27 Framework
-rw-r--r-- 1 root root 3193 Apr 21 10:27 Framework.php
drwxr-xr-x 2 root root 4096 Apr 21 10:27 Runner
drwxr-xr-x 2 root root 4096 Apr 21 10:27 TextUI
drwxr-xr-x 7 root root 4096 Apr 21 10:27 Util

$ phpunit