phpunit.xml

<?xml version="1.0" encoding="UTF-8"?>

<phpunit 
    bootstrap="vendor/autoload.php"
    colors="true"
    convertErrorsToExceptions="true"
    convertNoticesToExceptions="true"
    convertWarningsToExceptions="true"
    stopOnFailure="true"
    syntaxCheck="true">

    <testsuites>
        <testsuite name="Main">
            <directory>tests</directory>
        </testsuite>
    </testsuites>

    <filter>
        <whitelist>
            <directory suffix=".php">src</directory>
        </whitelist>
    </filter>

    <logging>
        <log type="coverage-clover" target="./build/coverage.clover"/>

        <log type="coverage-html" target="./build/" charset="UTF-8"
             yui="true" highlight="false"
             lowUpperBound="35" highLowerBound="70"/>
    </logging>
</phpunit>