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/7.4/phpunit.xsd" 
    bootstrap="vendor/autoload.php"
    colors="true">
    <testsuites>
        <testsuite name="Unit">
            <directory suffix="Test.php">tests</directory>
        </testsuite>
    </testsuites>
    <filter>
        <whitelist processUncoveredFilesFromWhitelist="true">
            <directory suffix=".php">src</directory>
        </whitelist>
    </filter>
    <logging>
        <log type="coverage-clover" target="coverage.xml" />
        <log type="coverage-html" target="tests/_reports/coverage" />
    </logging>
</phpunit>