phpunit.xml

<phpunit
        xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
        xsi:noNamespaceSchemaLocation="https://schema.phpunit.de/|version|/phpunit.xsd"
        backupGlobals="true"
        backupStaticAttributes="false"
        bootstrap="vendor/autoload.php"
        cacheTokens="false"
        colors="false"
        convertErrorsToExceptions="true"
        convertNoticesToExceptions="true"
        convertWarningsToExceptions="true"
        forceCoversAnnotation="false"
        processIsolation="false"
        stopOnError="false"
        stopOnFailure="false"
        stopOnIncomplete="false"
        stopOnSkipped="false"
        stopOnRisky="false"
        timeoutForSmallTests="1"
        timeoutForMediumTests="10"
        timeoutForLargeTests="60"
        verbose="false">
    <testsuites>
        <testsuite name="Test Suite">
            <directory>tests</directory>
        </testsuite>
    </testsuites>
    <filter>
        <whitelist processUncoveredFilesFromWhitelist="true">
            <directory suffix=".php">tests</directory>
        </whitelist>
    </filter>

    <logging>
        <!-- and this is where your report will be written -->
        <log type="coverage-clover" target="./clover.xml"/>
    </logging>
</phpunit>