warehouse/phpunit.xml

<phpunit
    backupGlobals="true"
    bootstrap="tests/bootstrap.php"
    colors="true"
>
    <testsuites>
        <testsuite name="Test Suite">
            <directory>tests</directory>
        </testsuite>
    </testsuites>
    <extensions>
        <extension class="Framework\Testing\ServerExtension" />
    </extensions>
</phpunit>