phpunit.xml

<phpunit
        xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
        xsi:noNamespaceSchemaLocation="https://schema.phpunit.de/|version|/phpunit.xsd"
        verbose="true">
    <filter>
        <whitelist processUncoveredFilesFromWhitelist="true">
            <directory suffix=".php">src</directory>
            <exclude>
                <directory suffix=".php">src/Chip/Schema</directory>
            </exclude>
        </whitelist>
    </filter>
</phpunit>