phpunit.xml
<phpunit bootstrap="vendor/autoload.php" cacheResult="true" cacheResultFile="./tests/outputs/.phpunit.result.cache">
<testsuites>
<testsuite name="unit">
<directory>tests</directory>
</testsuite>
</testsuites>
<filter>
<whitelist processUncoveredFilesFromWhitelist="true">
<directory>./tests</directory>
</whitelist>
</filter>
</phpunit>