phpunit.xml

<?xml version="1.0" encoding="UTF-8"?>
<phpunit xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    backupGlobals="false" 
    colors="true"
    stopOnFailure="false"
    bootstrap="vendor/autoload.php"
    failOnDeprecation="true"
    failOnEmptyTestSuite="true"
    failOnIncomplete="true"
    failOnNotice="true"
    failOnRisky="true"
    failOnSkipped="false"
    failOnWarning="true"
    xsi:noNamespaceSchemaLocation="https://schema.phpunit.de/8.3/phpunit.xsd">
    <source>
        <include>
            <directory>./src/</directory>
        </include>
        <exclude>
            <directory>./src/Cli/</directory>
        </exclude>
    </source>
    <testsuites>
        <testsuite name="PhpIso Testing Suite">
            <directory suffix=".php">./tests/</directory>
        </testsuite>
    </testsuites>
</phpunit>