text: <?xml version="1.0" encoding="UTF-8"?>
  <phpunit colors="true">
    <testsuites>
      <testsuite>
        <directory>tests/Unit</directory>
      </testsuite>
    </testsuites>
    <filter>
      <whitelist>
        <directory suffix=".php">src</directory>
        <exclude>
          <directory suffix=".php">src/V[!a-zA-Z]*</directory>
        </exclude>
      </whitelist>
    </filter>
  </phpunit>
  