File: phpunit.xml

<?xml version="1.0" encoding="UTF-8"?>
<phpunit xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
         bootstrap="vendor/autoload.php"
         colors="true"
         backupGlobals="false"
         backupStaticAttributes="false"
         xsi:noNamespaceSchemaLocation="https://schema.phpunit.de/9.3/phpunit.xsd">
    <testsuites>
        <testsuite name="Tests">
            <directory suffix="Test.php">tests</directory>
        </testsuite>
    </testsuites>
    <coverage processUncoveredFiles="false">
        <include>
            <directory suffix=".php">src</directory>
        </include>
        <exclude>
            <directory>vendor</directory>
            <directory>build</directory>
        </exclude>
    </coverage>
</phpunit>