如何在phpunit.xml中指定--testdox，而不是作为命令行选项？

<?xml version="1.0" encoding="UTF-8"?>
<phpunit
    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    xsi:noNamespaceSchemaLocation="https://schema.phpunit.de/8.1/phpunit.xsd"
    backupGlobals="false"
    colors="true"
    bootstrap="tests/bootstrap.php">

    <testsuites>
        <testsuite name="My Test Suite">
            <directory>./tests</directory>
        </testsuite>
    </testsuites>

    <filter>
        <whitelist addUncoveredFilesFromWhitelist="true">
            <directory suffix=".php">./src</directory>
        </whitelist>
    </filter>

    <logging>
        <log type="coverage-html" target="./build/coverage" charset="UTF-8" highlight="true"
             lowUpperBound="35" highLowerBound="70"/>
    </logging>

    <php>
        <ini name="error_reporting" value="-1" />
        <env name="APP_ENV" value="testing" />
        <env name="CACHE_DRIVER" value="array" />
        <env name="SESSION_DRIVER" value="array" />
        <env name="QUEUE_CONNECTION" value="sync" />
    </php>

    <listeners>
        <listener class="PHPUnit\TextUI\ResultPrinter" file="./vendor/phpunit/phpunit/src/TextUI/ResultPrinter.php">
            <arguments>
                <object class="PHPUnit\Util\Log\Junit" file="./vendor/phpunit/phpunit/src/Util/Log/Junit.php">
                    <arguments>
                        <string>./build/logs/junit.xml</string>
                        <boolean>false</boolean>
                        <boolean>true</boolean>
                    </arguments>
                </object>
            </arguments>
        </listener>
    </listeners>
    
    <phpunit xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
         xsi:noNamespaceSchemaLocation="https://schema.phpunit.de/9.4/phpunit.xsd"
         printerClass="PHPUnit\TextUI\ResultPrinter"
         printerFile="./vendor/phpunit/phpunit/src/TextUI/ResultPrinter.php">
        <testsuites>
            <testsuite name="My Test Suite">
                <directory>./tests</directory>
            </testsuite>
        </testsuites>
        <logging>
            <log type="testdox-text" target="./build/logs/testdox.txt" showFailureSuccess="true" />
        </logging>
    </phpunit>
</phpunit>