phpunit-unit.xml

<phpunit bootstrap="tests/unit/bootstrap.php">
    <testsuites>
        <testsuite>
            <directory suffix="Test.php">./tests/unit/</directory>
        </testsuite>
    </testsuites>

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

</phpunit>