phpunit.xml

<phpunit
    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    xsi:noNamespaceSchemaLocation="https://schema.phpunit.de/|version|/phpunit.xsd"
    bootstrap="vendor/autoload.php"
    colors="true"
>
    <testsuites>
        <testsuite name="My package's test suit">
            <directory>tests</directory>
        </testsuite>
    </testsuites>

    <logging>
        <log type="coverage-text" target="php://stdout" showUncoveredFiles="true"/>
        <log type="coverage-html" target="build/coverage/html"/>
        <log type="coverage-clover" target="build/coverage/clover.xml"/>
    </logging>

    <filter>
        <whitelist>
            <directory suffix=".php">src</directory>
            <exclude>
                <directory suffix="Exception.php">src</directory>
                <directory suffix="Interface.php">src</directory>
            </exclude>
        </whitelist>
    </filter>
</phpunit>