phpunit.xml

<?xml version="1.0" encoding="UTF-8"?>
<phpunit xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="https://schema.phpunit.de/9.3/phpunit.xsd" bootstrap="tests/bootstrap.php" colors="true" backupGlobals="false" verbose="true">
  <coverage>
    <include>
      <directory>src</directory>
    </include>
  </coverage>
  <testsuites>
    <testsuite name="Unit tests">
      <directory>tests/unit</directory>
    </testsuite>
  </testsuites>
</phpunit>