File: 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/11.1/phpunit.xsd"
         bootstrap="vendor/autoload.php"
         backupGlobals="false"
         colors="true"
         processIsolation="false"
         stopOnFailure="false"
         cacheDirectory=".phpunit.cache"
         backupStaticProperties="false">

    <testsuites>
        <testsuite name="Active Email Test Suite">
            <directory>tests</directory>
        </testsuite>
    </testsuites>

    <php>
        <env name="APP_ENV" value="testing"/>
        <env name="DB_CONNECTION" value="sqlite"/>
        <env name="DB_DATABASE" value=":memory:"/>
    </php>

    <source>
        <include>
            <directory suffix=".php">src/</directory>
        </include>
    </source>

</phpunit>