ngds/vendor/perfectmak/paystack-php/phpunit.xml

<phpunit bootstrap="vendor/autoload.php" colors="true">
    <testsuites>
        <testsuite name="paystack-php Test Suite">
            <directory suffix="Test.php">tests</directory>
        </testsuite>
    </testsuites>
    <filter>
        <whitelist>
            <directory suffix=".php">src/</directory>
        </whitelist>
    </filter>
</phpunit>