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/10.5/phpunit.xsd"
bootstrap="tests/bootstrap.php"
colors="true"
cacheDirectory=".phpunit.cache"
requireCoverageMetadata="true"
>
<testsuites>
<testsuite name="Feature">
<directory>tests/Carbon</directory>
</testsuite>
</testsuites>
<source>
<include>
<directory>src/Carbon</directory>
</include>
</source>
</phpunit>