<phpunit
    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    xsi:noNamespaceSchemaLocation="http://schema.phpunit.de/4.0/phpunit.xsd"
    forceCoversAnnotation="false"
    verbose="false" bootstrap="./tests/bootstrap.php">
    <testsuites>
        <testsuite name="All SwissPaymentSlip tests">
            <file>./tests/Exception/DisabledDataExceptionTest.php</file>
            <file>./tests/PaymentSlipDataTest.php</file>
            <file>./tests/OrangePaymentSlipDataTest.php</file>
            <file>./tests/PaymentSlipTest.php</file>
            <file>./tests/OrangePaymentSlipTest.php</file>
        </testsuite>
    </testsuites>
</phpunit>

<phpunit
    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    xsi:noNamespaceSchemaLocation="http://schema.phpunit.de/4.0/phpunit.xsd"
    forceCoversAnnotation="false"
    verbose="false" bootstrap="./tests/bootstrap.php">
    <testsuites>
        <testsuite name="All SwissPaymentSlip tests">
            <file>./tests/Exception/DisabledDataExceptionTest.php</file>
            <file>./tests/PaymentSlipDataTest.php</file>
            <file>./tests/OrangePaymentSlipDataTest.php</file>
            <file>./tests/PaymentSlipTest.php</file>
            <file>./tests/OrangePaymentSlipTest.php</file>
        </testsuite>
    </testsuites>

    <filter>
        <whitelist processUncoveredFilesFromWhitelist="false">
            <directory suffix=".php">src</directory>
        </whitelist>
    </filter>
</phpunit>

Add whitelist to PHPUnit configuration
Add whitelist to PHPUnit configuration
