phpunit.xml.dist

<phpunit bootstrap="vendor/silverstripe/cms/tests/bootstrap.php" colors="true">

    <testsuite name="Default">
        <directory>tests/</directory>
    </testsuite>

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

</phpunit>