tripal/phpunit.xml

<phpunit xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
         xsi:noNamespaceSchemaLocation="phpunit.xsd"
         bootstrap="tests/bootstrap.php"
         verbose="true"
         colors="true">
    <testsuites>
        <testsuite name="default">
            <directory suffix=".test">./tests/</directory>
        </testsuite>
    </testsuites>
</phpunit>