phpunit.xml

<?xml version="1.0" encoding="UTF-8"?>
<phpunit xmlns:xsi="http:https://www.w3.org/2001/XMLSchema-instance"
         xsi:noNamespaceSchemaLocation="https://schema.phpunit.de/7.1/phpunit.xsd"
         bootstrap="vendor/autoload.php"
         forceCoversAnnotation="true"
         beStrictAboutCoversAnnotation="false"
         beStrictAboutOutputDuringTests="true"
         beStrictAboutTodoAnnotatedTests="true"
         verbose="true">
    <testsuites>
        <testsuite name="default">
            <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="build/logs/clover.xml" />
    </logging>
</phpunit>