.phpunit.xml

<?xml version="1.0" encoding="UTF-8"?>
<phpunit xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
         xsi:noNamespaceSchemaLocation="phpunit.xsd"
         bootstrap="vendor/autoload.php"
         convertDeprecationsToExceptions="true"
         colors="true"
         verbose="true"
         cacheDirectory=".phpunit.cache"
         failOnRisky="true"
         failOnWarning="true">
    <testsuites>
        <testsuite name="test">
            <directory>tests/php</directory>
        </testsuite>
    </testsuites>
    <php>
        <ini name="precision" value="14"/>
        <ini name="serialize_precision" value="14"/>

        <const name="PHPUNIT_TESTSUITE" value="true"/>
    </php>
</phpunit>