how can i choose a specific testsuite to be executed?
$ phpunit --configuration config.xml
config.xml:
<testsuites>
<testsuite name="Library">
<directory>library</directory>
</testsuite>
<testsuite name="XXX_Form">
<file>library/XXX/FormTest.php</file>
<directory>library/XXX/Form</directory>
</testsuite>
</testsuites>