File: phpunit.xml

<?xml version="1.0" encoding="UTF-8"?>
<phpunit xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
         backupGlobals="false"
         backupStaticAttributes="false"
         colors="true"
         convertErrorsToExceptions="true"
         convertNoticesToExceptions="true"
         convertWarningsToExceptions="true"
         processIsolation="false"
         stopOnFailure="false"
         beStrictAboutOutputDuringTests="true"
         beStrictAboutChangesToGlobalState="true"
         xsi:noNamespaceSchemaLocation="https://schema.phpunit.de/9.3/phpunit.xsd"
>
    <coverage>
        <include>
            <directory>./src</directory>
        </include>
    </coverage>

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

    <listeners>
        <listener class="JohnKary\PHPUnit\Listener\SpeedTrapListener"/>
    </listeners>
</phpunit>